12132215122 has 32 divisors (see below), whose sum is σ = 20529302400. Its totient is φ = 5348395008.

The previous prime is 12132215119. The next prime is 12132215129. The reversal of 12132215122 is 22151223121.

It is a junction number, because it is equal to n+sod(n) for n = 12132215093 and 12132215102.

It is not an unprimeable number, because it can be changed into a prime (12132215129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155247 + ... + 219922.

It is an arithmetic number, because the mean of its divisors is an integer number (641540700).

Almost surely, 2^12132215122 is an apocalyptic number.

12132215122 is a deficient number, since it is larger than the sum of its proper divisors (8397087278).

12132215122 is a wasteful number, since it uses less digits than its factorization.

12132215122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375250.

The product of its digits is 480, while the sum is 22.

Adding to 12132215122 its reverse (22151223121), we get a palindrome (34283438243).

The spelling of 12132215122 in words is "twelve billion, one hundred thirty-two million, two hundred fifteen thousand, one hundred twenty-two".