213012121230310 has 16 divisors (see below), whose sum is σ = 392338604685456. Its totient is φ = 83223340387488.

The previous prime is 213012121230247. The next prime is 213012121230329. The reversal of 213012121230310 is 13032121210312.

It is a super-2 number, since 2×213012121230310² (a number of 29 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, 247688512629 + ... + 247688513488.

It is an arithmetic number, because the mean of its divisors is an integer number (24521162792841).

Almost surely, 2^{213012121230310} is an apocalyptic number.

213012121230310 is a deficient number, since it is larger than the sum of its proper divisors (179326483455146).

213012121230310 is a wasteful number, since it uses less digits than its factorization.

213012121230310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495377026167.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 213012121230310 its reverse (13032121210312), we get a palindrome (226044242440622).

The spelling of 213012121230310 in words is "two hundred thirteen trillion, twelve billion, one hundred twenty-one million, two hundred thirty thousand, three hundred ten".