312110040011242 has 64 divisors (see below), whose sum is σ = 545217767562240. Its totient is φ = 132500135664000.

The previous prime is 312110040011201. The next prime is 312110040011243. The reversal of 312110040011242 is 242110040011213.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (312110040011243) 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 31 ways as a sum of consecutive naturals, for example, 64900867 + ... + 69543817.

It is an arithmetic number, because the mean of its divisors is an integer number (8519027618160).

Almost surely, 2^{312110040011242} is an apocalyptic number.

312110040011242 is a deficient number, since it is larger than the sum of its proper divisors (233107727550998).

312110040011242 is a wasteful number, since it uses less digits than its factorization.

312110040011242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645259.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 312110040011242 its reverse (242110040011213), we get a palindrome (554220080022455).

The spelling of 312110040011242 in words is "three hundred twelve trillion, one hundred ten billion, forty million, eleven thousand, two hundred forty-two".