312215250074 has 128 divisors (see below), whose sum is σ = 613400256000. Its totient is φ = 115840005120.

The previous prime is 312215250029. The next prime is 312215250079. The reversal of 312215250074 is 470052512213.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 312215250074.

It is not an unprimeable number, because it can be changed into a prime (312215250079) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 183763277 + ... + 183764975.

It is an arithmetic number, because the mean of its divisors is an integer number (4792189500).

Almost surely, 2^312215250074 is an apocalyptic number.

312215250074 is a deficient number, since it is larger than the sum of its proper divisors (301185005926).

312215250074 is a wasteful number, since it uses less digits than its factorization.

312215250074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728.

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 312215250074 its reverse (470052512213), we get a palindrome (782267762287).

The spelling of 312215250074 in words is "three hundred twelve billion, two hundred fifteen million, two hundred fifty thousand, seventy-four".