12032312219 has 4 divisors (see below), whose sum is σ = 12093390144. Its totient is φ = 11971234296.

The previous prime is 12032312179. The next prime is 12032312233. The reversal of 12032312219 is 91221323021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91221323021 = 59 ⋅1546124119.

It is a cyclic number.

It is not a de Polignac number, because 12032312219 - 2²⁸ = 11763876763 is a prime.

It is a super-2 number, since 2×12032312219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12032312269) 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, 30538667 + ... + 30539060.

It is an arithmetic number, because the mean of its divisors is an integer number (3023347536).

Almost surely, 2^12032312219 is an apocalyptic number.

12032312219 is a deficient number, since it is larger than the sum of its proper divisors (61077925).

12032312219 is an equidigital number, since it uses as much as digits as its factorization.

12032312219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61077924.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 12032312219 in words is "twelve billion, thirty-two million, three hundred twelve thousand, two hundred nineteen".