12212772652 has 12 divisors (see below), whose sum is σ = 22497212920. Its totient is φ = 5784997536.

The previous prime is 12212772643. The next prime is 12212772653. The reversal of 12212772652 is 25627721221.

It is a super-2 number, since 2×12212772652² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12212772653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80347113 + ... + 80347264.

Almost surely, 2^12212772652 is an apocalyptic number.

It is an amenable number.

12212772652 is a deficient number, since it is larger than the sum of its proper divisors (10284440268).

12212772652 is a wasteful number, since it uses less digits than its factorization.

12212772652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160694400 (or 160694398 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The spelling of 12212772652 in words is "twelve billion, two hundred twelve million, seven hundred seventy-two thousand, six hundred fifty-two".