100131000123012 has 24 divisors (see below), whose sum is σ = 233640232912800. Its totient is φ = 33376823951616.

The previous prime is 100131000122977. The next prime is 100131000123029. The reversal of 100131000123012 is 210321000131001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100131000122982 and 100131000123000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19631562 + ... + 24200417.

It is an arithmetic number, because the mean of its divisors is an integer number (9735009704700).

Almost surely, 2^{100131000123012} is an apocalyptic number.

100131000123012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100131000123012 is an abundant number, since it is smaller than the sum of its proper divisors (133509232789788).

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

100131000123012 is a wasteful number, since it uses less digits than its factorization.

100131000123012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44022355 (or 44022353 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 100131000123012 its reverse (210321000131001), we get a palindrome (310452000254013).

The spelling of 100131000123012 in words is "one hundred trillion, one hundred thirty-one billion, one hundred twenty-three thousand, twelve".