12158334654 has 16 divisors (see below), whose sum is σ = 24471554448. Its totient is φ = 4026964032.

The previous prime is 12158334649. The next prime is 12158334659. The reversal of 12158334654 is 45643385121.

It is an interprime number because it is at equal distance from previous prime (12158334649) and next prime (12158334659).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12158334659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6452527 + ... + 6454410.

It is an arithmetic number, because the mean of its divisors is an integer number (1529472153).

Almost surely, 2^12158334654 is an apocalyptic number.

12158334654 is an abundant number, since it is smaller than the sum of its proper divisors (12313219794).

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

12158334654 is a wasteful number, since it uses less digits than its factorization.

12158334654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12907099.

The product of its digits is 345600, while the sum is 42.

The spelling of 12158334654 in words is "twelve billion, one hundred fifty-eight million, three hundred thirty-four thousand, six hundred fifty-four".