12252021119 has 4 divisors (see below), whose sum is σ = 13194484296. Its totient is φ = 11309557944.

The previous prime is 12252021109. The next prime is 12252021157. The reversal of 12252021119 is 91112025221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12252021119 - 2¹² = 12252017023 is a prime.

It is a super-2 number, since 2×12252021119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252021109) 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, 471231569 + ... + 471231594.

It is an arithmetic number, because the mean of its divisors is an integer number (3298621074).

Almost surely, 2^12252021119 is an apocalyptic number.

12252021119 is a deficient number, since it is larger than the sum of its proper divisors (942463177).

12252021119 is an equidigital number, since it uses as much as digits as its factorization.

12252021119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942463176.

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 12252021119 in words is "twelve billion, two hundred fifty-two million, twenty-one thousand, one hundred nineteen".