100131002012 has 12 divisors (see below), whose sum is σ = 175241100216. Its totient is φ = 50062116240.

The previous prime is 100131002011. The next prime is 100131002029. The reversal of 100131002012 is 210200131001.

It is a junction number, because it is equal to n+sod(n) for n = 100131001984 and 100131002002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100131002011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779039 + ... + 898422.

It is an arithmetic number, because the mean of its divisors is an integer number (14603425018).

Almost surely, 2^100131002012 is an apocalyptic number.

It is an amenable number.

100131002012 is a deficient number, since it is larger than the sum of its proper divisors (75110098204).

100131002012 is a wasteful number, since it uses less digits than its factorization.

100131002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692388 (or 1692386 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 100131002012 its reverse (210200131001), we get a palindrome (310331133013).

The spelling of 100131002012 in words is "one hundred billion, one hundred thirty-one million, two thousand, twelve".