12700122641756 has 24 divisors (see below), whose sum is σ = 24245995897200. Its totient is φ = 5772709872000.

The previous prime is 12700122641753. The next prime is 12700122641803. The reversal of 12700122641756 is 65714622100721.

It is a happy number.

It is a super-2 number, since 2×12700122641756² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12700122641753) 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, 1762520 + ... + 5339168.

It is an arithmetic number, because the mean of its divisors is an integer number (1010249829050).

Almost surely, 2^{12700122641756} is an apocalyptic number.

It is an amenable number.

12700122641756 is a deficient number, since it is larger than the sum of its proper divisors (11545873255444).

12700122641756 is a wasteful number, since it uses less digits than its factorization.

12700122641756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3657365 (or 3657363 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 12700122641756 in words is "twelve trillion, seven hundred billion, one hundred twenty-two million, six hundred forty-one thousand, seven hundred fifty-six".