100400131412 has 12 divisors (see below), whose sum is σ = 200800262880. Its totient is φ = 43028627736.

The previous prime is 100400131399. The next prime is 100400131457. The reversal of 100400131412 is 214131004001.

It is a happy number.

100400131412 is an admirable number.

It is a super-2 number, since 2×100400131412² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1792859462 + ... + 1792859517.

It is an arithmetic number, because the mean of its divisors is an integer number (16733355240).

Almost surely, 2^100400131412 is an apocalyptic number.

It is an amenable number.

100400131412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

100400131412 is a wasteful number, since it uses less digits than its factorization.

100400131412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585718990 (or 3585718988 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 100400131412 its reverse (214131004001), we get a palindrome (314531135413).

The spelling of 100400131412 in words is "one hundred billion, four hundred million, one hundred thirty-one thousand, four hundred twelve".