212626643630 has 8 divisors (see below), whose sum is σ = 382727958552. Its totient is φ = 85050657448.

The previous prime is 212626643623. The next prime is 212626643651. The reversal of 212626643630 is 36346626212.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 10631332172 + ... + 10631332191.

It is an arithmetic number, because the mean of its divisors is an integer number (47840994819).

Almost surely, 2^212626643630 is an apocalyptic number.

212626643630 is a deficient number, since it is larger than the sum of its proper divisors (170101314922).

212626643630 is a wasteful number, since it uses less digits than its factorization.

212626643630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21262664370.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 212626643630 in words is "two hundred twelve billion, six hundred twenty-six million, six hundred forty-three thousand, six hundred thirty".