12571448248926 has 48 divisors (see below), whose sum is σ = 31130392042464. Its totient is φ = 3591716401152.

The previous prime is 12571448248921. The next prime is 12571448248967. The reversal of 12571448248926 is 62984284417521.

12571448248926 is a `hidden beast` number, since 1 + 2 + 5 + 7 + 144 + 8 + 2 + 489 + 2 + 6 = 666.

12571448248926 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12571448248926² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12571448248921) 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, 1887870 + ... + 5357886.

It is an arithmetic number, because the mean of its divisors is an integer number (648549834218).

Almost surely, 2^{12571448248926} is an apocalyptic number.

12571448248926 is an abundant number, since it is smaller than the sum of its proper divisors (18558943793538).

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

12571448248926 is a wasteful number, since it uses less digits than its factorization.

12571448248926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498785 (or 3498782 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 63.

The spelling of 12571448248926 in words is "twelve trillion, five hundred seventy-one billion, four hundred forty-eight million, two hundred forty-eight thousand, nine hundred twenty-six".