22123002032212 has 6 divisors (see below), whose sum is σ = 38715253556378. Its totient is φ = 11061501016104.

The previous prime is 22123002032177. The next prime is 22123002032269. The reversal of 22123002032212 is 21223020032122.

It can be written as a sum of positive squares in only one way, i.e., 19667149474756 + 2455852557456 = 4434766^2 + 1567116^2 .

It is a super-2 number, since 2×22123002032212² (a number of 27 digits) contains 22 as substring.

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, 2765375254023 + ... + 2765375254030.

Almost surely, 2^{22123002032212} is an apocalyptic number.

It is an amenable number.

22123002032212 is a deficient number, since it is larger than the sum of its proper divisors (16592251524166).

22123002032212 is a wasteful number, since it uses less digits than its factorization.

22123002032212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530750508057 (or 5530750508055 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22123002032212 its reverse (21223020032122), we get a palindrome (43346022064334).

The spelling of 22123002032212 in words is "twenty-two trillion, one hundred twenty-three billion, two million, thirty-two thousand, two hundred twelve".