22415231132212 has 12 divisors (see below), whose sum is σ = 39227615898436. Its totient is φ = 11207340875520.

The previous prime is 22415231132197. The next prime is 22415231132213. The reversal of 22415231132212 is 21223113251422.

It can be written as a sum of positive squares in 2 ways, for example, as 14861055840016 + 7554175292196 = 3855004^2 + 2748486^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22415231132213) 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, 68488989 + ... + 68815492.

Almost surely, 2^{22415231132212} is an apocalyptic number.

It is an amenable number.

22415231132212 is a deficient number, since it is larger than the sum of its proper divisors (16812384766224).

22415231132212 is a wasteful number, since it uses less digits than its factorization.

22415231132212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137345298 (or 137345296 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

Adding to 22415231132212 its reverse (21223113251422), we get a palindrome (43638344383634).

The spelling of 22415231132212 in words is "twenty-two trillion, four hundred fifteen billion, two hundred thirty-one million, one hundred thirty-two thousand, two hundred twelve".