122112213023 has 4 divisors (see below), whose sum is σ = 122113368000. Its totient is φ = 122111058048.

The previous prime is 122112212987. The next prime is 122112213029. The reversal of 122112213023 is 320312211221.

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

It is a cyclic number.

It is not a de Polignac number, because 122112213023 - 2³² = 117817245727 is a prime.

It is a super-2 number, since 2×122112213023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122112212986 and 122112213004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112213029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400898 + ... + 636351.

It is an arithmetic number, because the mean of its divisors is an integer number (30528342000).

Almost surely, 2^122112213023 is an apocalyptic number.

122112213023 is a deficient number, since it is larger than the sum of its proper divisors (1154977).

122112213023 is a wasteful number, since it uses less digits than its factorization.

122112213023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154976.

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

Adding to 122112213023 its reverse (320312211221), we get a palindrome (442424424244).

The spelling of 122112213023 in words is "one hundred twenty-two billion, one hundred twelve million, two hundred thirteen thousand, twenty-three".