212431421321310 has 32 divisors (see below), whose sum is σ = 509835940295040. Its totient is φ = 56648320227488.

The previous prime is 212431421321297. The next prime is 212431421321407. The reversal of 212431421321310 is 13123124134212.

It is a super-2 number, since 2×212431421321310² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31112701 + ... + 37321079.

It is an arithmetic number, because the mean of its divisors is an integer number (15932373134220).

Almost surely, 2^{212431421321310} is an apocalyptic number.

212431421321310 is an abundant number, since it is smaller than the sum of its proper divisors (297404518973730).

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

212431421321310 is a wasteful number, since it uses less digits than its factorization.

212431421321310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7348952.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 212431421321310 its reverse (13123124134212), we get a palindrome (225554545455522).

The spelling of 212431421321310 in words is "two hundred twelve trillion, four hundred thirty-one billion, four hundred twenty-one million, three hundred twenty-one thousand, three hundred ten".