12072601655 has 8 divisors (see below), whose sum is σ = 14795358912. Its totient is φ = 9452590048.

The previous prime is 12072601649. The next prime is 12072601687. The reversal of 12072601655 is 55610627021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12072601655 - 2¹⁸ = 12072339511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25686152 + ... + 25686621.

It is an arithmetic number, because the mean of its divisors is an integer number (1849419864).

Almost surely, 2^12072601655 is an apocalyptic number.

12072601655 is a deficient number, since it is larger than the sum of its proper divisors (2722757257).

12072601655 is an equidigital number, since it uses as much as digits as its factorization.

12072601655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51372825.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 12072601655 in words is "twelve billion, seventy-two million, six hundred one thousand, six hundred fifty-five".