12577226701 has 4 divisors (see below), whose sum is σ = 13544705692. Its totient is φ = 11609747712.

The previous prime is 12577226693. The next prime is 12577226731. The reversal of 12577226701 is 10762277521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10762277521 = 19 ⋅566435659.

It can be written as a sum of positive squares in 2 ways, for example, as 543356100 + 12033870601 = 23310^2 + 109699^2 .

It is a cyclic number.

It is not a de Polignac number, because 12577226701 - 2³ = 12577226693 is a prime.

It is a super-3 number, since 3×12577226701³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12577226731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483739476 + ... + 483739501.

It is an arithmetic number, because the mean of its divisors is an integer number (3386176423).

Almost surely, 2^12577226701 is an apocalyptic number.

It is an amenable number.

12577226701 is a deficient number, since it is larger than the sum of its proper divisors (967478991).

12577226701 is an equidigital number, since it uses as much as digits as its factorization.

12577226701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967478990.

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 12577226701 in words is "twelve billion, five hundred seventy-seven million, two hundred twenty-six thousand, seven hundred one".