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12101010013020 = 2235201683500217
BaseRepresentation
bin1011000000010111110001…
…1001110011101101011100
31120211211211012020102102210
42300011330121303231130
53041230332030404040
641423043253120420
72356161210654255
oct260057431635534
946754735212383
1012101010013020
113946011752705
12143530b929110
1369a174533c66
142db998c35b2c
1515eb95b68480
hexb017c673b5c

12101010013020 has 24 divisors (see below), whose sum is σ = 33882828036624. Its totient is φ = 3226936003456.

The previous prime is 12101010013019. The next prime is 12101010013033. The reversal of 12101010013020 is 2031001010121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12101010012987 and 12101010013005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100841750049 + ... + 100841750168.

It is an arithmetic number, because the mean of its divisors is an integer number (1411784501526).

Almost surely, 212101010013020 is an apocalyptic number.

12101010013020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101010013020 is an abundant number, since it is smaller than the sum of its proper divisors (21781818023604).

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

12101010013020 is a wasteful number, since it uses less digits than its factorization.

12101010013020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201683500229 (or 201683500227 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 12101010013020 its reverse (2031001010121), we get a palindrome (14132011023141).

The spelling of 12101010013020 in words is "twelve trillion, one hundred one billion, ten million, thirteen thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 201683500217 403367000434 605050500651 806734000868 1008417501085 1210101001302 2016835002170 2420202002604 3025252503255 4033670004340 6050505006510 12101010013020