312204444605 has 16 divisors (see below), whose sum is σ = 380584638720. Its totient is φ = 245823968832.

The previous prime is 312204444581. The next prime is 312204444611. The reversal of 312204444605 is 506444402213.

It is not a de Polignac number, because 312204444605 - 2¹⁸ = 312204182461 is a prime.

It is a super-2 number, since 2×312204444605² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 1121459 + ... + 1371888.

It is an arithmetic number, because the mean of its divisors is an integer number (23786539920).

Almost surely, 2^312204444605 is an apocalyptic number.

It is an amenable number.

312204444605 is a deficient number, since it is larger than the sum of its proper divisors (68380194115).

312204444605 is a wasteful number, since it uses less digits than its factorization.

312204444605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493748.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 312204444605 its reverse (506444402213), we get a palindrome (818648846818).

The spelling of 312204444605 in words is "three hundred twelve billion, two hundred four million, four hundred forty-four thousand, six hundred five".