12272349976 has 8 divisors (see below), whose sum is σ = 23010656220. Its totient is φ = 6136174984.

The previous prime is 12272349961. The next prime is 12272349977. The reversal of 12272349976 is 67994327221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12272349976² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12272349977) 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 as a sum of consecutive naturals, namely, 767021866 + ... + 767021881.

Almost surely, 2^12272349976 is an apocalyptic number.

It is an amenable number.

12272349976 is a deficient number, since it is larger than the sum of its proper divisors (10738306244).

12272349976 is a wasteful number, since it uses less digits than its factorization.

12272349976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534043753 (or 1534043749 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 52.

The spelling of 12272349976 in words is "twelve billion, two hundred seventy-two million, three hundred forty-nine thousand, nine hundred seventy-six".