12252171631754 has 8 divisors (see below), whose sum is σ = 18378274253508. Its totient is φ = 6126080213920.

The previous prime is 12252171631751. The next prime is 12252171631787. The reversal of 12252171631754 is 45713617125221.

12252171631754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12055721458225 + 196450173529 = 3472135^2 + 443227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12252171631754² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12252171631699 and 12252171631708.

It is not an unprimeable number, because it can be changed into a prime (12252171631751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923324 + ... + 5035560.

Almost surely, 2^{12252171631754} is an apocalyptic number.

12252171631754 is a deficient number, since it is larger than the sum of its proper divisors (6126102621754).

12252171631754 is a wasteful number, since it uses less digits than its factorization.

12252171631754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601960.

The product of its digits is 705600, while the sum is 47.

Adding to 12252171631754 its reverse (45713617125221), we get a palindrome (57965788756975).

The spelling of 12252171631754 in words is "twelve trillion, two hundred fifty-two billion, one hundred seventy-one million, six hundred thirty-one thousand, seven hundred fifty-four".