312332100121 has 12 divisors (see below), whose sum is σ = 326640167140. Its totient is φ = 298626181920.

The previous prime is 312332100103. The next prime is 312332100173. The reversal of 312332100121 is 121001233213.

It can be written as a sum of positive squares in 2 ways, for example, as 204050958400 + 108281141721 = 451720^2 + 329061^2 .

It is not a de Polignac number, because 312332100121 - 2¹¹ = 312332098073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312339100121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1140211 + ... + 1387351.

Almost surely, 2^312332100121 is an apocalyptic number.

It is an amenable number.

312332100121 is a deficient number, since it is larger than the sum of its proper divisors (14308067019).

312332100121 is a wasteful number, since it uses less digits than its factorization.

312332100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249576 (or 249553 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312332100121 its reverse (121001233213), we get a palindrome (433333333334).

The spelling of 312332100121 in words is "three hundred twelve billion, three hundred thirty-two million, one hundred thousand, one hundred twenty-one".