212775604652720 has 40 divisors (see below), whose sum is σ = 500663561324976. Its totient is φ = 84084817257728.

The previous prime is 212775604652609. The next prime is 212775604652759. The reversal of 212775604652720 is 27256406577212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16022252747 + ... + 16022266026.

Almost surely, 2^{212775604652720} is an apocalyptic number.

212775604652720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212775604652720 is an abundant number, since it is smaller than the sum of its proper divisors (287887956672256).

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

212775604652720 is a wasteful number, since it uses less digits than its factorization.

212775604652720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32044518869 (or 32044518863 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 56.

The spelling of 212775604652720 in words is "two hundred twelve trillion, seven hundred seventy-five billion, six hundred four million, six hundred fifty-two thousand, seven hundred twenty".