12021233319 has 24 divisors (see below), whose sum is σ = 17783429040. Its totient is φ = 7822144512.

The previous prime is 12021233299. The next prime is 12021233321. The reversal of 12021233319 is 91333212021.

12021233319 is a `hidden beast` number, since 1 + 202 + 123 + 331 + 9 = 666.

It is not a de Polignac number, because 12021233319 - 2¹⁵ = 12021200551 is a prime.

It is a super-2 number, since 2×12021233319² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12021233292 and 12021233301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021233359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26772 + ... + 157350.

It is an arithmetic number, because the mean of its divisors is an integer number (740976210).

Almost surely, 2^12021233319 is an apocalyptic number.

12021233319 is a deficient number, since it is larger than the sum of its proper divisors (5762195721).

12021233319 is a wasteful number, since it uses less digits than its factorization.

12021233319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130831 (or 130828 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 12021233319 in words is "twelve billion, twenty-one million, two hundred thirty-three thousand, three hundred nineteen".