212256644510 has 32 divisors (see below), whose sum is σ = 390651502752. Its totient is φ = 83014963200.

The previous prime is 212256644443. The next prime is 212256644513. The reversal of 212256644510 is 15446652212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212256644513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1237691 + ... + 1398710.

It is an arithmetic number, because the mean of its divisors is an integer number (12207859461).

Almost surely, 2^212256644510 is an apocalyptic number.

212256644510 is a deficient number, since it is larger than the sum of its proper divisors (178394858242).

212256644510 is a wasteful number, since it uses less digits than its factorization.

212256644510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636588.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 212256644510 in words is "two hundred twelve billion, two hundred fifty-six million, six hundred forty-four thousand, five hundred ten".