12043819137 has 32 divisors (see below), whose sum is σ = 18753748992. Its totient is φ = 6731878464.

The previous prime is 12043819129. The next prime is 12043819169. The reversal of 12043819137 is 73191834021.

It is not a de Polignac number, because 12043819137 - 2³ = 12043819129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12043819095 and 12043819104.

It is not an unprimeable number, because it can be changed into a prime (12043819037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3123903 + ... + 3127755.

It is an arithmetic number, because the mean of its divisors is an integer number (586054656).

Almost surely, 2^12043819137 is an apocalyptic number.

It is an amenable number.

12043819137 is a deficient number, since it is larger than the sum of its proper divisors (6709929855).

12043819137 is a wasteful number, since it uses less digits than its factorization.

12043819137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7077.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 12043819137 in words is "twelve billion, forty-three million, eight hundred nineteen thousand, one hundred thirty-seven".