12421158126 has 32 divisors (see below), whose sum is σ = 26758680480. Its totient is φ = 3821121024.

The previous prime is 12421158091. The next prime is 12421158179. The reversal of 12421158126 is 62185112421.

It is a super-4 number, since 4×12421158126⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461866 + ... + 488018.

It is an arithmetic number, because the mean of its divisors is an integer number (836208765).

Almost surely, 2^12421158126 is an apocalyptic number.

12421158126 is an abundant number, since it is smaller than the sum of its proper divisors (14337522354).

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

12421158126 is a wasteful number, since it uses less digits than its factorization.

12421158126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32260.

The product of its digits is 7680, while the sum is 33.

The spelling of 12421158126 in words is "twelve billion, four hundred twenty-one million, one hundred fifty-eight thousand, one hundred twenty-six".