312101022022 has 4 divisors (see below), whose sum is σ = 468151533036. Its totient is φ = 156050511010.

The previous prime is 312101021971. The next prime is 312101022109. The reversal of 312101022022 is 220220101213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 312101021987 and 312101022005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78025255504 + ... + 78025255507.

It is an arithmetic number, because the mean of its divisors is an integer number (117037883259).

Almost surely, 2^312101022022 is an apocalyptic number.

312101022022 is a deficient number, since it is larger than the sum of its proper divisors (156050511014).

312101022022 is a wasteful number, since it uses less digits than its factorization.

312101022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156050511013.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 312101022022 its reverse (220220101213), we get a palindrome (532321123235).

The spelling of 312101022022 in words is "three hundred twelve billion, one hundred one million, twenty-two thousand, twenty-two".