12212027522 has 32 divisors (see below), whose sum is σ = 18661992960. Its totient is φ = 5992704000.

The previous prime is 12212027497. The next prime is 12212027539. The reversal of 12212027522 is 22572021221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12212027491 and 12212027500.

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, 16260647 + ... + 16261397.

It is an arithmetic number, because the mean of its divisors is an integer number (583187280).

Almost surely, 2^12212027522 is an apocalyptic number.

12212027522 is a deficient number, since it is larger than the sum of its proper divisors (6449965438).

12212027522 is a wasteful number, since it uses less digits than its factorization.

12212027522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458.

The product of its (nonzero) digits is 2240, while the sum is 26.

Adding to 12212027522 its reverse (22572021221), we get a palindrome (34784048743).

The spelling of 12212027522 in words is "twelve billion, two hundred twelve million, twenty-seven thousand, five hundred twenty-two".