12122021332 has 24 divisors (see below), whose sum is σ = 21489068160. Its totient is φ = 5982337920.

The previous prime is 12122021311. The next prime is 12122021341. The reversal of 12122021332 is 23312022121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1698732 + ... + 1705852.

It is an arithmetic number, because the mean of its divisors is an integer number (895377840).

Almost surely, 2^12122021332 is an apocalyptic number.

It is an amenable number.

12122021332 is a deficient number, since it is larger than the sum of its proper divisors (9367046828).

12122021332 is a wasteful number, since it uses less digits than its factorization.

12122021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12591 (or 12589 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12122021332 its reverse (23312022121), we get a palindrome (35434043453).

The spelling of 12122021332 in words is "twelve billion, one hundred twenty-two million, twenty-one thousand, three hundred thirty-two".