12252123346 has 8 divisors (see below), whose sum is σ = 19459254780. Its totient is φ = 5765705088.

The previous prime is 12252123287. The next prime is 12252123347. The reversal of 12252123346 is 64332125221.

It can be written as a sum of positive squares in 2 ways, for example, as 12125313225 + 126810121 = 110115^2 + 11261^2 .

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

It is a super-2 number, since 2×12252123346² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12252123347) 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, 180178251 + ... + 180178318.

Almost surely, 2^12252123346 is an apocalyptic number.

12252123346 is a deficient number, since it is larger than the sum of its proper divisors (7207131434).

12252123346 is a wasteful number, since it uses less digits than its factorization.

12252123346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360356588.

The product of its digits is 17280, while the sum is 31.

Adding to 12252123346 its reverse (64332125221), we get a palindrome (76584248567).

The spelling of 12252123346 in words is "twelve billion, two hundred fifty-two million, one hundred twenty-three thousand, three hundred forty-six".