312013102121133 has 16 divisors (see below), whose sum is σ = 475459084079616. Its totient is φ = 178289245894320.

The previous prime is 312013102121111. The next prime is 312013102121137. The reversal of 312013102121133 is 331121201310213.

It is not a de Polignac number, because 312013102121133 - 2¹² = 312013102117037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312013102121137) 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, 163835623 + ... + 165729108.

It is an arithmetic number, because the mean of its divisors is an integer number (29716192754976).

Almost surely, 2^{312013102121133} is an apocalyptic number.

It is an amenable number.

312013102121133 is a deficient number, since it is larger than the sum of its proper divisors (163445981958483).

312013102121133 is a wasteful number, since it uses less digits than its factorization.

312013102121133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329609824.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 312013102121133 its reverse (331121201310213), we get a palindrome (643134303431346).

The spelling of 312013102121133 in words is "three hundred twelve trillion, thirteen billion, one hundred two million, one hundred twenty-one thousand, one hundred thirty-three".