212135532304 has 20 divisors (see below), whose sum is σ = 432644836240. Its totient is φ = 100485252000.

The previous prime is 212135532277. The next prime is 212135532307. The reversal of 212135532304 is 403235531212.

It is not an unprimeable number, because it can be changed into a prime (212135532307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348906822 + ... + 348907429.

It is an arithmetic number, because the mean of its divisors is an integer number (21632241812).

Almost surely, 2^212135532304 is an apocalyptic number.

It is an amenable number.

212135532304 is an abundant number, since it is smaller than the sum of its proper divisors (220509303936).

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

212135532304 is a wasteful number, since it uses less digits than its factorization.

212135532304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697814278 (or 697814272 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 212135532304 in words is "two hundred twelve billion, one hundred thirty-five million, five hundred thirty-two thousand, three hundred four".