12251015445 has 16 divisors (see below), whose sum is σ = 19622477952. Its totient is φ = 6526923840.

The previous prime is 12251015431. The next prime is 12251015467. The reversal of 12251015445 is 54451015221.

It is not a de Polignac number, because 12251015445 - 2⁷ = 12251015317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419857 + ... + 448086.

It is an arithmetic number, because the mean of its divisors is an integer number (1226404872).

Almost surely, 2^12251015445 is an apocalyptic number.

12251015445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12251015445 is a deficient number, since it is larger than the sum of its proper divisors (7371462507).

12251015445 is an equidigital number, since it uses as much as digits as its factorization.

12251015445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868892.

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 12251015445 in words is "twelve billion, two hundred fifty-one million, fifteen thousand, four hundred forty-five".