212264563290 has 32 divisors (see below), whose sum is σ = 548622256896. Its totient is φ = 52249738560.

The previous prime is 212264563289. The next prime is 212264563297. The reversal of 212264563290 is 92365462212.

It is not an unprimeable number, because it can be changed into a prime (212264563297) 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, 272133666 + ... + 272134445.

It is an arithmetic number, because the mean of its divisors is an integer number (17144445528).

Almost surely, 2^212264563290 is an apocalyptic number.

212264563290 is an abundant number, since it is smaller than the sum of its proper divisors (336357693606).

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

212264563290 is a wasteful number, since it uses less digits than its factorization.

212264563290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544268134.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 212264563290 in words is "two hundred twelve billion, two hundred sixty-four million, five hundred sixty-three thousand, two hundred ninety".