12071523044691 has 24 divisors (see below), whose sum is σ = 19024183903296. Its totient is φ = 7315155336240.

The previous prime is 12071523044639. The next prime is 12071523044741. The reversal of 12071523044691 is 19644032517021.

12071523044691 is a `hidden beast` number, since 1 + 2 + 0 + 7 + 152 + 30 + 4 + 469 + 1 = 666.

It is not a de Polignac number, because 12071523044691 - 2⁶ = 12071523044627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12071523044291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6867985 + ... + 8444658.

It is an arithmetic number, because the mean of its divisors is an integer number (792674329304).

Almost surely, 2^{12071523044691} is an apocalyptic number.

12071523044691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12071523044691 is a deficient number, since it is larger than the sum of its proper divisors (6952660858605).

12071523044691 is a wasteful number, since it uses less digits than its factorization.

12071523044691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15320623 (or 15320620 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 12071523044691 in words is "twelve trillion, seventy-one billion, five hundred twenty-three million, forty-four thousand, six hundred ninety-one".