210000000012 has 96 divisors (see below), whose sum is σ = 549260974080. Its totient is φ = 61886200320.

The previous prime is 209999999971. The next prime is 210000000037.

It is a happy number.

210000000012 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11209189 + ... + 11227907.

It is an arithmetic number, because the mean of its divisors is an integer number (5721468480).

Almost surely, 2^210000000012 is an apocalyptic number.

210000000012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210000000012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274630487040).

210000000012 is an abundant number, since it is smaller than the sum of its proper divisors (339260974068).

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

210000000012 is a wasteful number, since it uses less digits than its factorization.

210000000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21071 (or 21069 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

It can be divided in two parts, 2100000000 and 12, that added together give a palindrome (2100000012).

The spelling of 210000000012 in words is "two hundred ten billion, twelve", and thus it is an aban number.