312222111230 has 32 divisors (see below), whose sum is σ = 564356691360. Its totient is φ = 124366168960.

The previous prime is 312222111203. The next prime is 312222111259. The reversal of 312222111230 is 32111222213.

It is a super-2 number, since 2×312222111230² (a number of 24 digits) contains 22 as substring.

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, 2266940 + ... + 2400720.

It is an arithmetic number, because the mean of its divisors is an integer number (17636146605).

Almost surely, 2^312222111230 is an apocalyptic number.

312222111230 is a deficient number, since it is larger than the sum of its proper divisors (252134580130).

312222111230 is a wasteful number, since it uses less digits than its factorization.

312222111230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134764.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 312222111230 its reverse (32111222213), we get a palindrome (344333333443).

The spelling of 312222111230 in words is "three hundred twelve billion, two hundred twenty-two million, one hundred eleven thousand, two hundred thirty".