312202013034121 has 24 divisors (see below), whose sum is σ = 374592144303104. Its totient is φ = 254834708446080.

The previous prime is 312202013034113. The next prime is 312202013034139. The reversal of 312202013034121 is 121430310202213.

It is not a de Polignac number, because 312202013034121 - 2³ = 312202013034113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312202013034221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362806185 + ... + 363665686.

Almost surely, 2^{312202013034121} is an apocalyptic number.

It is an amenable number.

312202013034121 is a deficient number, since it is larger than the sum of its proper divisors (62390131268983).

312202013034121 is an equidigital number, since it uses as much as digits as its factorization.

312202013034121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726472009 (or 726471980 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 312202013034121 its reverse (121430310202213), we get a palindrome (433632323236334).

The spelling of 312202013034121 in words is "three hundred twelve trillion, two hundred two billion, thirteen million, thirty-four thousand, one hundred twenty-one".