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12220010212020 = 22351315666679759
BaseRepresentation
bin1011000111010011000101…
…0111100010101010110100
31121021012222112002212210120
42301310301113202222310
53100203040103241040
641553443432251540
72400603146655042
oct261646127425264
947235875085716
1012220010212020
11399152820a506
1214543a0840bb0
136a845a5508b0
14303647483392
15162d0ce7b7d0
hexb1d315e2ab4

12220010212020 has 48 divisors (see below), whose sum is σ = 36848030795520. Its totient is φ = 3008002513536.

The previous prime is 12220010211943. The next prime is 12220010212051. The reversal of 12220010212020 is 2021201002221.

12220010212020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7833339100 + ... + 7833340659.

It is an arithmetic number, because the mean of its divisors is an integer number (767667308240).

Almost surely, 212220010212020 is an apocalyptic number.

12220010212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220010212020 is an abundant number, since it is smaller than the sum of its proper divisors (24628020583500).

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

12220010212020 is a wasteful number, since it uses less digits than its factorization.

12220010212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15666679784 (or 15666679782 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12220010212020 its reverse (2021201002221), we get a palindrome (14241211214241).

The spelling of 12220010212020 in words is "twelve trillion, two hundred twenty billion, ten million, two hundred twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 15666679759 31333359518 47000039277 62666719036 78333398795 94000078554 156666797590 188000157108 203666836867 235000196385 313333595180 407333673734 470000392770 611000510601 814667347468 940000785540 1018334184335 1222001021202 2036668368670 2444002042404 3055002553005 4073336737340 6110005106010 12220010212020