312023021122 has 8 divisors (see below), whose sum is σ = 468129079872. Its totient is φ = 155979994500.

The previous prime is 312023021117. The next prime is 312023021209. The reversal of 312023021122 is 221120320213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 312023021122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15745654 + ... + 15765457.

It is an arithmetic number, because the mean of its divisors is an integer number (58516134984).

Almost surely, 2^312023021122 is an apocalyptic number.

312023021122 is a deficient number, since it is larger than the sum of its proper divisors (156106058750).

312023021122 is a wasteful number, since it uses less digits than its factorization.

312023021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31516064.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 312023021122 its reverse (221120320213), we get a palindrome (533143341335).

The spelling of 312023021122 in words is "three hundred twelve billion, twenty-three million, twenty-one thousand, one hundred twenty-two".