12251461326045 has 32 divisors (see below), whose sum is σ = 19679215471104. Its totient is φ = 6508517184000.

The previous prime is 12251461326029. The next prime is 12251461326047. The reversal of 12251461326045 is 54062316415221.

It is not a de Polignac number, because 12251461326045 - 2⁴ = 12251461326029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12251461325988 and 12251461326006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12251461326047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5539020 + ... + 7428570.

It is an arithmetic number, because the mean of its divisors is an integer number (614975483472).

Almost surely, 2^{12251461326045} is an apocalyptic number.

12251461326045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12251461326045 is a deficient number, since it is larger than the sum of its proper divisors (7427754145059).

12251461326045 is a wasteful number, since it uses less digits than its factorization.

12251461326045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891253.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 12251461326045 in words is "twelve trillion, two hundred fifty-one billion, four hundred sixty-one million, three hundred twenty-six thousand, forty-five".