12071194623 has 12 divisors (see below), whose sum is σ = 17532504808. Its totient is φ = 8003000880.

The previous prime is 12071194601. The next prime is 12071194631. The reversal of 12071194623 is 32649117021.

12071194623 is a `hidden beast` number, since 1 + 20 + 7 + 1 + 1 + 9 + 4 + 623 = 666.

It is not a de Polignac number, because 12071194623 - 2⁵ = 12071194591 is a prime.

It is a super-2 number, since 2×12071194623² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12071194643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3703465 + ... + 3706722.

Almost surely, 2^12071194623 is an apocalyptic number.

12071194623 is a deficient number, since it is larger than the sum of its proper divisors (5461310185).

12071194623 is a wasteful number, since it uses less digits than its factorization.

12071194623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7410374 (or 7410371 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 12071194623 in words is "twelve billion, seventy-one million, one hundred ninety-four thousand, six hundred twenty-three".