312122203222 has 16 divisors (see below), whose sum is σ = 479652434352. Its totient is φ = 152270595360.

The previous prime is 312122203213. The next prime is 312122203229. The reversal of 312122203222 is 222302221213.

It is a junction number, because it is equal to n+sod(n) for n = 312122203193 and 312122203202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312122203229) 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, 8114928 + ... + 8153299.

It is an arithmetic number, because the mean of its divisors is an integer number (29978277147).

Almost surely, 2^312122203222 is an apocalyptic number.

312122203222 is a deficient number, since it is larger than the sum of its proper divisors (167530231130).

312122203222 is a wasteful number, since it uses less digits than its factorization.

312122203222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16268463.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 312122203222 its reverse (222302221213), we get a palindrome (534424424435).

The spelling of 312122203222 in words is "three hundred twelve billion, one hundred twenty-two million, two hundred three thousand, two hundred twenty-two".