312121000112002 has 32 divisors (see below), whose sum is σ = 478774429467120. Its totient is φ = 152578627891200.

The previous prime is 312121000111969. The next prime is 312121000112017. The reversal of 312121000112002 is 200211000121213.

It can be written as a sum of positive squares in 8 ways, for example, as 12787783152001 + 299333216960001 = 3576001^2 + 17301249^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19276023 + ... + 31556410.

Almost surely, 2^{312121000112002} is an apocalyptic number.

312121000112002 is a deficient number, since it is larger than the sum of its proper divisors (166653429355118).

312121000112002 is a wasteful number, since it uses less digits than its factorization.

312121000112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50832918.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 312121000112002 its reverse (200211000121213), we get a palindrome (512332000233215).

The spelling of 312121000112002 in words is "three hundred twelve trillion, one hundred twenty-one billion, one hundred twelve thousand, two".