212921696832 has 112 divisors (see below), whose sum is σ = 642378143232. Its totient is φ = 61660569600.

The previous prime is 212921696803. The next prime is 212921696861. The reversal of 212921696832 is 238696129212.

It is an interprime number because it is at equal distance from previous prime (212921696803) and next prime (212921696861).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2466544 + ... + 2551407.

It is an arithmetic number, because the mean of its divisors is an integer number (5735519136).

Almost surely, 2^212921696832 is an apocalyptic number.

It is an amenable number.

212921696832 is an abundant number, since it is smaller than the sum of its proper divisors (429456446400).

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

212921696832 is a wasteful number, since it uses less digits than its factorization.

212921696832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017996 (or 5017986 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The spelling of 212921696832 in words is "two hundred twelve billion, nine hundred twenty-one million, six hundred ninety-six thousand, eight hundred thirty-two".