123012112022 has 4 divisors (see below), whose sum is σ = 184518168036. Its totient is φ = 61506056010.

The previous prime is 123012112021. The next prime is 123012112033. The reversal of 123012112022 is 220211210321.

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

It is a super-2 number, since 2×123012112022² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123012112021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30753028004 + ... + 30753028007.

It is an arithmetic number, because the mean of its divisors is an integer number (46129542009).

Almost surely, 2^123012112022 is an apocalyptic number.

123012112022 is a deficient number, since it is larger than the sum of its proper divisors (61506056014).

123012112022 is an equidigital number, since it uses as much as digits as its factorization.

123012112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61506056013.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 123012112022 its reverse (220211210321), we get a palindrome (343223322343).

The spelling of 123012112022 in words is "one hundred twenty-three billion, twelve million, one hundred twelve thousand, twenty-two".