12251055001 has 4 divisors (see below), whose sum is σ = 12294345232. Its totient is φ = 12207764772.

The previous prime is 12251054999. The next prime is 12251055067. The reversal of 12251055001 is 10055015221.

It is a happy number.

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 12251055001 - 2¹ = 12251054999 is a prime.

It is a super-2 number, since 2×12251055001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12251055071) 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, 21644691 + ... + 21645256.

It is an arithmetic number, because the mean of its divisors is an integer number (3073586308).

Almost surely, 2^12251055001 is an apocalyptic number.

It is an amenable number.

12251055001 is a deficient number, since it is larger than the sum of its proper divisors (43290231).

12251055001 is an equidigital number, since it uses as much as digits as its factorization.

12251055001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43290230.

The product of its (nonzero) digits is 500, while the sum is 22.

The spelling of 12251055001 in words is "twelve billion, two hundred fifty-one million, fifty-five thousand, one".