312213102203042 has 16 divisors (see below), whose sum is σ = 477246364431480. Its totient is φ = 153132097901952.

The previous prime is 312213102202921. The next prime is 312213102203047. The reversal of 312213102203042 is 240302201312213.

It can be written as a sum of positive squares in 4 ways, for example, as 312145185152161 + 67917050881 = 17667631^2 + 260609^2 .

It is not an unprimeable number, because it can be changed into a prime (312213102203047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278732417 + ... + 279850292.

Almost surely, 2^{312213102203042} is an apocalyptic number.

312213102203042 is a deficient number, since it is larger than the sum of its proper divisors (165033262228438).

312213102203042 is a wasteful number, since it uses less digits than its factorization.

312213102203042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558588037.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 312213102203042 its reverse (240302201312213), we get a palindrome (552515303515255).

The spelling of 312213102203042 in words is "three hundred twelve trillion, two hundred thirteen billion, one hundred two million, two hundred three thousand, forty-two".