12122004432 has 40 divisors (see below), whose sum is σ = 31328218080. Its totient is φ = 4038985600.

The previous prime is 12122004421. The next prime is 12122004443. The reversal of 12122004432 is 23440022121.

It is an interprime number because it is at equal distance from previous prime (12122004421) and next prime (12122004443).

It is a junction number, because it is equal to n+sod(n) for n = 12122004399 and 12122004408.

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, 66682 + ... + 169382.

It is an arithmetic number, because the mean of its divisors is an integer number (783205452).

Almost surely, 2^12122004432 is an apocalyptic number.

12122004432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12122004432 is an abundant number, since it is smaller than the sum of its proper divisors (19206213648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122004432 is a wasteful number, since it uses less digits than its factorization.

12122004432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105171 (or 105165 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12122004432 its reverse (23440022121), we get a palindrome (35562026553).

The spelling of 12122004432 in words is "twelve billion, one hundred twenty-two million, four thousand, four hundred thirty-two".