12255423322061 has 16 divisors (see below), whose sum is σ = 13021784173440. Its totient is φ = 11512034372160.

The previous prime is 12255423322031. The next prime is 12255423322117. The reversal of 12255423322061 is 16022332455221.

It is a cyclic number.

It is not a de Polignac number, because 12255423322061 - 2⁴² = 7857376810957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255423322031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12252056 + ... + 13214526.

It is an arithmetic number, because the mean of its divisors is an integer number (813861510840).

Almost surely, 2^{12255423322061} is an apocalyptic number.

It is an amenable number.

12255423322061 is a deficient number, since it is larger than the sum of its proper divisors (766360851379).

12255423322061 is a wasteful number, since it uses less digits than its factorization.

12255423322061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974404.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 12255423322061 its reverse (16022332455221), we get a palindrome (28277755777282).

The spelling of 12255423322061 in words is "twelve trillion, two hundred fifty-five billion, four hundred twenty-three million, three hundred twenty-two thousand, sixty-one".