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12010101101012 = 2271648126025859
BaseRepresentation
bin1010111011000101000111…
…0011110101000111010100
31120112011011121002012102202
42232301101303311013110
53033233141340213022
641313210403424032
72346462333653420
oct256612163650724
946464147065382
1012010101101012
113910500a72573
12141b77a685018
13691717317a31
142d741333bb80
1515c624aee592
hexaec51cf51d4

12010101101012 has 24 divisors (see below), whose sum is σ = 24021660573120. Its totient is φ = 5146873678080.

The previous prime is 12010101100993. The next prime is 12010101101021. The reversal of 12010101101012 is 21010110101021.

It is a junction number, because it is equal to n+sod(n) for n = 12010101100984 and 12010101101002.

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, 12551462 + ... + 13474397.

It is an arithmetic number, because the mean of its divisors is an integer number (1000902523880).

Almost surely, 212010101101012 is an apocalyptic number.

It is an amenable number.

12010101101012 is an abundant number, since it is smaller than the sum of its proper divisors (12011559472108).

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

12010101101012 is a wasteful number, since it uses less digits than its factorization.

12010101101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26042351 (or 26042349 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12010101101012 its reverse (21010110101021), we get a palindrome (33020211202033).

Subtracting 12010101101012 from its reverse (21010110101021), we obtain a palindrome (9000009000009).

The spelling of 12010101101012 in words is "twelve trillion, ten billion, one hundred one million, one hundred one thousand, twelve".

Divisors: 1 2 4 7 14 28 16481 32962 65924 115367 230734 461468 26025859 52051718 104103436 182181013 364362026 728724052 428932182179 857864364358 1715728728716 3002525275253 6005050550506 12010101101012