210110100012 has 30 divisors (see below), whose sum is σ = 549269305508. Its totient is φ = 70036699896.

The previous prime is 210110099989. The next prime is 210110100029. The reversal of 210110100012 is 210001011012.

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 = 210110099967 and 210110100003.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 324243658 + ... + 324244305.

Almost surely, 2^210110100012 is an apocalyptic number.

It is an amenable number.

210110100012 is an abundant number, since it is smaller than the sum of its proper divisors (339159205496).

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

210110100012 is a wasteful number, since it uses less digits than its factorization.

210110100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648487979 (or 648487968 counting only the distinct ones).

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

Adding to 210110100012 its reverse (210001011012), we get a palindrome (420111111024).

The spelling of 210110100012 in words is "two hundred ten billion, one hundred ten million, one hundred thousand, twelve".