12254364122465 has 32 divisors (see below), whose sum is σ = 15567023815200. Its totient is φ = 9246291425280.

The previous prime is 12254364122449. The next prime is 12254364122527. The reversal of 12254364122465 is 56422146345221.

It can be written as a sum of positive squares in 16 ways, for example, as 994104714304 + 11260259408161 = 997048^2 + 3355631^2 .

It is not a de Polignac number, because 12254364122465 - 2⁴ = 12254364122449 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1721756 + ... + 5241485.

It is an arithmetic number, because the mean of its divisors is an integer number (486469494225).

Almost surely, 2^{12254364122465} is an apocalyptic number.

It is an amenable number.

12254364122465 is a deficient number, since it is larger than the sum of its proper divisors (3312659692735).

12254364122465 is a wasteful number, since it uses less digits than its factorization.

12254364122465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6963557.

The product of its digits is 2764800, while the sum is 47.

The spelling of 12254364122465 in words is "twelve trillion, two hundred fifty-four billion, three hundred sixty-four million, one hundred twenty-two thousand, four hundred sixty-five".