12041621051 has 6 divisors (see below), whose sum is σ = 12708747252. Its totient is φ = 11407851180.

The previous prime is 12041621047. The next prime is 12041621063. The reversal of 12041621051 is 15012614021.

It is not a de Polignac number, because 12041621051 - 2² = 12041621047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12041621021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16677785 + ... + 16678506.

It is an arithmetic number, because the mean of its divisors is an integer number (2118124542).

Almost surely, 2^12041621051 is an apocalyptic number.

12041621051 is a deficient number, since it is larger than the sum of its proper divisors (667126201).

12041621051 is an equidigital number, since it uses as much as digits as its factorization.

12041621051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33356329 (or 33356310 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The spelling of 12041621051 in words is "twelve billion, forty-one million, six hundred twenty-one thousand, fifty-one".