102110010012 has 72 divisors (see below), whose sum is σ = 267067841040. Its totient is φ = 32856096000.

The previous prime is 102110010001. The next prime is 102110010017. The reversal of 102110010012 is 210010011201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 102110009976 and 102110010003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102110010017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7847512 + ... + 7860512.

It is an arithmetic number, because the mean of its divisors is an integer number (3709275570).

Almost surely, 2^102110010012 is an apocalyptic number.

102110010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102110010012 is an abundant number, since it is smaller than the sum of its proper divisors (164957831028).

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

102110010012 is a wasteful number, since it uses less digits than its factorization.

102110010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20563 (or 20558 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 102110010012 its reverse (210010011201), we get a palindrome (312120021213).

The spelling of 102110010012 in words is "one hundred two billion, one hundred ten million, ten thousand, twelve".