12251226332265 has 16 divisors (see below), whose sum is σ = 19636779129408. Its totient is φ = 6522381711296.

The previous prime is 12251226332231. The next prime is 12251226332369. The reversal of 12251226332265 is 56223362215221.

It is a cyclic number.

It is not a de Polignac number, because 12251226332265 - 2⁹ = 12251226331753 is a prime.

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, 725345394 + ... + 725362283.

It is an arithmetic number, because the mean of its divisors is an integer number (1227298695588).

Almost surely, 2^{12251226332265} is an apocalyptic number.

12251226332265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12251226332265 is a deficient number, since it is larger than the sum of its proper divisors (7385552797143).

12251226332265 is a wasteful number, since it uses less digits than its factorization.

12251226332265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450708248.

The product of its digits is 518400, while the sum is 42.

Adding to 12251226332265 its reverse (56223362215221), we get a palindrome (68474588547486).

The spelling of 12251226332265 in words is "twelve trillion, two hundred fifty-one billion, two hundred twenty-six million, three hundred thirty-two thousand, two hundred sixty-five".