312122202245 has 16 divisors (see below), whose sum is σ = 428268828288. Its totient is φ = 213918891840.

The previous prime is 312122202131. The next prime is 312122202257. The reversal of 312122202245 is 542202221213.

It is not a de Polignac number, because 312122202245 - 2³⁶ = 243402725509 is a prime.

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, 2174486 + ... + 2313575.

It is an arithmetic number, because the mean of its divisors is an integer number (26766801768).

Almost surely, 2^312122202245 is an apocalyptic number.

312122202245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

312122202245 is a deficient number, since it is larger than the sum of its proper divisors (116146626043).

312122202245 is a wasteful number, since it uses less digits than its factorization.

312122202245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490060.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 312122202245 its reverse (542202221213), we get a palindrome (854324423458).

The spelling of 312122202245 in words is "three hundred twelve billion, one hundred twenty-two million, two hundred two thousand, two hundred forty-five".