12880281772 has 6 divisors (see below), whose sum is σ = 22540493108. Its totient is φ = 6440140884.

The previous prime is 12880281671. The next prime is 12880281797. The reversal of 12880281772 is 27718208821.

It is a super-2 number, since 2×12880281772² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 1610035218 + ... + 1610035225.

Almost surely, 2^12880281772 is an apocalyptic number.

It is an amenable number.

12880281772 is a deficient number, since it is larger than the sum of its proper divisors (9660211336).

12880281772 is a wasteful number, since it uses less digits than its factorization.

12880281772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220070447 (or 3220070445 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 46.

The spelling of 12880281772 in words is "twelve billion, eight hundred eighty million, two hundred eighty-one thousand, seven hundred seventy-two".