12621180701 has 4 divisors (see below), whose sum is σ = 13169927712. Its totient is φ = 12072433692.

The previous prime is 12621180697. The next prime is 12621180707. The reversal of 12621180701 is 10708112621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12621180701 - 2² = 12621180697 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12621180707) 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, 274373471 + ... + 274373516.

It is an arithmetic number, because the mean of its divisors is an integer number (3292481928).

Almost surely, 2^12621180701 is an apocalyptic number.

It is an amenable number.

12621180701 is a deficient number, since it is larger than the sum of its proper divisors (548747011).

12621180701 is an equidigital number, since it uses as much as digits as its factorization.

12621180701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548747010.

The product of its (nonzero) digits is 1344, while the sum is 29.

The spelling of 12621180701 in words is "twelve billion, six hundred twenty-one million, one hundred eighty thousand, seven hundred one".