12077812047 has 16 divisors (see below), whose sum is σ = 18408667392. Its totient is φ = 6899963520.

The previous prime is 12077812039. The next prime is 12077812051. The reversal of 12077812047 is 74021877021.

It is not a de Polignac number, because 12077812047 - 2³ = 12077812039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12077811996 and 12077812014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12077862047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24772 + ... + 157382.

It is an arithmetic number, because the mean of its divisors is an integer number (1150541712).

Almost surely, 2^12077812047 is an apocalyptic number.

12077812047 is a deficient number, since it is larger than the sum of its proper divisors (6330855345).

12077812047 is a wasteful number, since it uses less digits than its factorization.

12077812047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136958.

The product of its (nonzero) digits is 43904, while the sum is 39.

The spelling of 12077812047 in words is "twelve billion, seventy-seven million, eight hundred twelve thousand, forty-seven".