100012113112 has 64 divisors (see below), whose sum is σ = 202702046400. Its totient is φ = 46140610560.

The previous prime is 100012113101. The next prime is 100012113199. The reversal of 100012113112 is 211311210001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100012113092 and 100012113101.

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, 596938 + ... + 745894.

It is an arithmetic number, because the mean of its divisors is an integer number (3167219475).

Almost surely, 2^100012113112 is an apocalyptic number.

It is an amenable number.

100012113112 is an abundant number, since it is smaller than the sum of its proper divisors (102689933288).

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

100012113112 is a wasteful number, since it uses less digits than its factorization.

100012113112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149116 (or 149112 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 100012113112 its reverse (211311210001), we get a palindrome (311323323113).

It can be divided in two parts, 10001 and 2113112, that multiplied together give a palindrome (21133233112).

The spelling of 100012113112 in words is "one hundred billion, twelve million, one hundred thirteen thousand, one hundred twelve".