215012210512 has 20 divisors (see below), whose sum is σ = 454457627136. Its totient is φ = 97732822880.

The previous prime is 215012210509. The next prime is 215012210521.

It is a happy number.

215012210512 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 610829968 + ... + 610830319.

Almost surely, 2^215012210512 is an apocalyptic number.

215012210512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

215012210512 is an abundant number, since it is smaller than the sum of its proper divisors (239445416624).

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

215012210512 is a wasteful number, since it uses less digits than its factorization.

215012210512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221660306 (or 1221660300 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

It can be divided in two parts, 215012 and 210512, that added together give a palindrome (425524).

The spelling of 215012210512 in words is "two hundred fifteen billion, twelve million, two hundred ten thousand, five hundred twelve".