12122020323 has 36 divisors (see below), whose sum is σ = 21257343120. Its totient is φ = 6519396096.

The previous prime is 12122020321. The next prime is 12122020343. The reversal of 12122020323 is 32302022121.

12122020323 is a `hidden beast` number, since 121 + 220 + 2 + 0 + 323 = 666.

It is not a de Polignac number, because 12122020323 - 2¹ = 12122020321 is a prime.

It is a super-2 number, since 2×12122020323² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12122020296 and 12122020305.

It is not an unprimeable number, because it can be changed into a prime (12122020321) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 314688 + ... + 351101.

Almost surely, 2^12122020323 is an apocalyptic number.

12122020323 is a deficient number, since it is larger than the sum of its proper divisors (9135322797).

12122020323 is a wasteful number, since it uses less digits than its factorization.

12122020323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665836 (or 665816 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12122020323 its reverse (32302022121), we get a palindrome (44424042444).

The spelling of 12122020323 in words is "twelve billion, one hundred twenty-two million, twenty thousand, three hundred twenty-three".