312210021330213 has 16 divisors (see below), whose sum is σ = 416849693420160. Its totient is φ = 207855279547136.

The previous prime is 312210021330173. The next prime is 312210021330223. The reversal of 312210021330213 is 312033120012213.

It is a cyclic number.

It is not a de Polignac number, because 312210021330213 - 2⁸ = 312210021329957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312210021330223) 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, 545953 + ... + 24994361.

It is an arithmetic number, because the mean of its divisors is an integer number (26053105838760).

Almost surely, 2^{312210021330213} is an apocalyptic number.

It is an amenable number.

312210021330213 is a deficient number, since it is larger than the sum of its proper divisors (104639672089947).

312210021330213 is a wasteful number, since it uses less digits than its factorization.

312210021330213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24454236.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 312210021330213 its reverse (312033120012213), we get a palindrome (624243141342426).

The spelling of 312210021330213 in words is "three hundred twelve trillion, two hundred ten billion, twenty-one million, three hundred thirty thousand, two hundred thirteen".