12049677408 has 48 divisors (see below), whose sum is σ = 32366005056. Its totient is φ = 3923149440.

The previous prime is 12049677389. The next prime is 12049677421. The reversal of 12049677408 is 80477694021.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1455378 + ... + 1463633.

It is an arithmetic number, because the mean of its divisors is an integer number (674291772).

Almost surely, 2^12049677408 is an apocalyptic number.

It is an amenable number.

12049677408 is an abundant number, since it is smaller than the sum of its proper divisors (20316327648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12049677408 is a wasteful number, since it uses less digits than its factorization.

12049677408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2919067 (or 2919059 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 12049677408 in words is "twelve billion, forty-nine million, six hundred seventy-seven thousand, four hundred eight".