12252123291 has 8 divisors (see below), whose sum is σ = 16341791760. Its totient is φ = 8165268512.

The previous prime is 12252123287. The next prime is 12252123347. The reversal of 12252123291 is 19232125221.

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

It is a cyclic number.

It is not a de Polignac number, because 12252123291 - 2² = 12252123287 is a prime.

It is a super-2 number, since 2×12252123291² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12252123271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693240 + ... + 710693.

It is an arithmetic number, because the mean of its divisors is an integer number (2042723970).

Almost surely, 2^12252123291 is an apocalyptic number.

12252123291 is a deficient number, since it is larger than the sum of its proper divisors (4089668469).

12252123291 is a wasteful number, since it uses less digits than its factorization.

12252123291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406845.

The product of its digits is 4320, while the sum is 30.

The spelling of 12252123291 in words is "twelve billion, two hundred fifty-two million, one hundred twenty-three thousand, two hundred ninety-one".