212573762418 has 16 divisors (see below), whose sum is σ = 433169176896. Its totient is φ = 69520978800.

The previous prime is 212573762341. The next prime is 212573762419. The reversal of 212573762418 is 814267375212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212573762419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334235158 + ... + 334235793.

It is an arithmetic number, because the mean of its divisors is an integer number (27073073556).

Almost surely, 2^212573762418 is an apocalyptic number.

212573762418 is an abundant number, since it is smaller than the sum of its proper divisors (220595414478).

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

212573762418 is a wasteful number, since it uses less digits than its factorization.

212573762418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668471009.

The product of its digits is 1128960, while the sum is 48.

The spelling of 212573762418 in words is "two hundred twelve billion, five hundred seventy-three million, seven hundred sixty-two thousand, four hundred eighteen".