12132257522 has 32 divisors (see below), whose sum is σ = 22709531520. Its totient is φ = 4722554880.

The previous prime is 12132257453. The next prime is 12132257531. The reversal of 12132257522 is 22575223121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136754 + ... + 207282.

It is an arithmetic number, because the mean of its divisors is an integer number (709672860).

Almost surely, 2^12132257522 is an apocalyptic number.

12132257522 is a deficient number, since it is larger than the sum of its proper divisors (10577273998).

12132257522 is a wasteful number, since it uses less digits than its factorization.

12132257522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71666.

The product of its digits is 16800, while the sum is 32.

The spelling of 12132257522 in words is "twelve billion, one hundred thirty-two million, two hundred fifty-seven thousand, five hundred twenty-two".