12621615241 has 8 divisors (see below), whose sum is σ = 13287173600. Its totient is φ = 11956183200.

The previous prime is 12621615233. The next prime is 12621615271. The reversal of 12621615241 is 14251612621.

It is a happy number.

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

It is not a de Polignac number, because 12621615241 - 2³ = 12621615233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12621615211) 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, 228541 + ... + 278341.

It is an arithmetic number, because the mean of its divisors is an integer number (1660896700).

Almost surely, 2^12621615241 is an apocalyptic number.

It is an amenable number.

12621615241 is a deficient number, since it is larger than the sum of its proper divisors (665558359).

12621615241 is a wasteful number, since it uses less digits than its factorization.

12621615241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63159.

The product of its digits is 5760, while the sum is 31.

The spelling of 12621615241 in words is "twelve billion, six hundred twenty-one million, six hundred fifteen thousand, two hundred forty-one".