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12202002212220 = 223457532100131
BaseRepresentation
bin1011000110010000000000…
…0000011110010101111100
31121012111111111212201010000
42301210000000132111330
53044404200031242340
641541304502314300
72366364663333642
oct261440000362574
947174444781100
1012202002212220
113984927163747
1214509b5a28990
136a684a77c002
14302819973192
15162607042d30
hexb190001e57c

12202002212220 has 60 divisors (see below), whose sum is σ = 38278132870824. Its totient is φ = 3253867256160.

The previous prime is 12202002212219. The next prime is 12202002212237. The reversal of 12202002212220 is 2221220020221.

12202002212220 is a `hidden beast` number, since 1 + 2 + 20 + 200 + 221 + 2 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12202002212193 and 12202002212202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3766048446 + ... + 3766051685.

Almost surely, 212202002212220 is an apocalyptic number.

12202002212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202002212220 is an abundant number, since it is smaller than the sum of its proper divisors (26076130658604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12202002212220 is a wasteful number, since it uses less digits than its factorization.

12202002212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7532100152 (or 7532100141 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12202002212220 its reverse (2221220020221), we get a palindrome (14423222232441).

The spelling of 12202002212220 in words is "twelve trillion, two hundred two billion, two million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 1620 7532100131 15064200262 22596300393 30128400524 37660500655 45192600786 67788901179 75321001310 90385201572 112981501965 135577802358 150642002620 203366703537 225963003930 271155604716 338944505895 406733407074 451926007860 610100110611 677889011790 813466814148 1016833517685 1220200221222 1355778023580 2033667035370 2440400442444 3050500553055 4067334070740 6101001106110 12202002212220