12049888977 has 48 divisors (see below), whose sum is σ = 21660912000. Its totient is φ = 6298290432.

The previous prime is 12049888973. The next prime is 12049888987. The reversal of 12049888977 is 77988894021.

It is not a de Polignac number, because 12049888977 - 2² = 12049888973 is a prime.

It is a super-2 number, since 2×12049888977² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (12049888973) 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 47 ways as a sum of consecutive naturals, for example, 138852 + ... + 208277.

It is an arithmetic number, because the mean of its divisors is an integer number (451269000).

Almost surely, 2^12049888977 is an apocalyptic number.

It is an amenable number.

12049888977 is a deficient number, since it is larger than the sum of its proper divisors (9611023023).

12049888977 is a wasteful number, since it uses less digits than its factorization.

12049888977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347190 (or 347187 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 63.

The spelling of 12049888977 in words is "twelve billion, forty-nine million, eight hundred eighty-eight thousand, nine hundred seventy-seven".