12312222030122 has 16 divisors (see below), whose sum is σ = 21181779035712. Its totient is φ = 5257888409760.

The previous prime is 12312222030113. The next prime is 12312222030133. The reversal of 12312222030122 is 22103022221321.

It is a happy number.

It is a super-2 number, since 2×12312222030122² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1564843808 + ... + 1564851675.

It is an arithmetic number, because the mean of its divisors is an integer number (1323861189732).

Almost surely, 2^{12312222030122} is an apocalyptic number.

12312222030122 is a deficient number, since it is larger than the sum of its proper divisors (8869557005590).

12312222030122 is a wasteful number, since it uses less digits than its factorization.

12312222030122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129695773.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12312222030122 its reverse (22103022221321), we get a palindrome (34415244251443).

The spelling of 12312222030122 in words is "twelve trillion, three hundred twelve billion, two hundred twenty-two million, thirty thousand, one hundred twenty-two".