212021322310 has 16 divisors (see below), whose sum is σ = 436158148896. Its totient is φ = 72693024768.

The previous prime is 212021322239. The next prime is 212021322397. The reversal of 212021322310 is 13223120212.

It is a super-2 number, since 2×212021322310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1514437947 + ... + 1514438086.

It is an arithmetic number, because the mean of its divisors is an integer number (27259884306).

Almost surely, 2^212021322310 is an apocalyptic number.

212021322310 is an abundant number, since it is smaller than the sum of its proper divisors (224136826586).

212021322310 is a wasteful number, since it uses less digits than its factorization.

212021322310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028876047.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212021322310 its reverse (13223120212), we get a palindrome (225244442522).

The spelling of 212021322310 in words is "two hundred twelve billion, twenty-one million, three hundred twenty-two thousand, three hundred ten".