12522015520228 has 12 divisors (see below), whose sum is σ = 21913856653612. Its totient is φ = 6260913619200.

The previous prime is 12522015520193. The next prime is 12522015520243. The reversal of 12522015520228 is 82202551022521.

It can be written as a sum of positive squares in 2 ways, for example, as 10635738517504 + 1886277002724 = 3261248^2 + 1373418^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23235525 + ... + 23768332.

Almost surely, 2^{12522015520228} is an apocalyptic number.

It is an amenable number.

12522015520228 is a deficient number, since it is larger than the sum of its proper divisors (9391841133384).

12522015520228 is a wasteful number, since it uses less digits than its factorization.

12522015520228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47070462 (or 47070460 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 37.

Adding to 12522015520228 its reverse (82202551022521), we get a palindrome (94724566542749).

The spelling of 12522015520228 in words is "twelve trillion, five hundred twenty-two billion, fifteen million, five hundred twenty thousand, two hundred twenty-eight".