312244010121 has 16 divisors (see below), whose sum is σ = 459980947584. Its totient is φ = 187399643904.

The previous prime is 312244010081. The next prime is 312244010147. The reversal of 312244010121 is 121010442213.

It is not a de Polignac number, because 312244010121 - 2¹¹ = 312244008073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312244012121) 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, 133095166 + ... + 133097511.

It is an arithmetic number, because the mean of its divisors is an integer number (28748809224).

Almost surely, 2^312244010121 is an apocalyptic number.

It is an amenable number.

312244010121 is a deficient number, since it is larger than the sum of its proper divisors (147736937463).

312244010121 is a wasteful number, since it uses less digits than its factorization.

312244010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266192720.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 312244010121 its reverse (121010442213), we get a palindrome (433254452334).

The spelling of 312244010121 in words is "three hundred twelve billion, two hundred forty-four million, ten thousand, one hundred twenty-one".