12541126668 has 48 divisors (see below), whose sum is σ = 33460756224. Its totient is φ = 3581277120.

The previous prime is 12541126667. The next prime is 12541126673. The reversal of 12541126668 is 86662114521.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (12541126667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123546 + ... + 200862.

It is an arithmetic number, because the mean of its divisors is an integer number (697099088).

Almost surely, 2^12541126668 is an apocalyptic number.

It is an amenable number.

12541126668 is an abundant number, since it is smaller than the sum of its proper divisors (20919629556).

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

12541126668 is a wasteful number, since it uses less digits than its factorization.

12541126668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79262 (or 79260 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The spelling of 12541126668 in words is "twelve billion, five hundred forty-one million, one hundred twenty-six thousand, six hundred sixty-eight".