12252243163551 has 16 divisors (see below), whose sum is σ = 17187062268768. Its totient is φ = 7753561920000.

The previous prime is 12252243163543. The next prime is 12252243163577. The reversal of 12252243163551 is 15536134225221.

It is not a de Polignac number, because 12252243163551 - 2³ = 12252243163543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252243165551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1346099950 + ... + 1346109051.

It is an arithmetic number, because the mean of its divisors is an integer number (1074191391798).

Almost surely, 2^{12252243163551} is an apocalyptic number.

12252243163551 is a deficient number, since it is larger than the sum of its proper divisors (4934819105217).

12252243163551 is a wasteful number, since it uses less digits than its factorization.

12252243163551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692209082.

The product of its digits is 432000, while the sum is 42.

Adding to 12252243163551 its reverse (15536134225221), we get a palindrome (27788377388772).

The spelling of 12252243163551 in words is "twelve trillion, two hundred fifty-two billion, two hundred forty-three million, one hundred sixty-three thousand, five hundred fifty-one".