12204555120 has 200 divisors, whose sum is σ = 42580091664. Its totient is φ = 3239820288.

The previous prime is 12204555091. The next prime is 12204555149. The reversal of 12204555120 is 2155540221.

It is an interprime number because it is at equal distance from previous prime (12204555091) and next prime (12204555149).

It is a super-3 number, since 3×12204555120³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1466812 + ... + 1475108.

Almost surely, 2^12204555120 is an apocalyptic number.

12204555120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12204555120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21290045832).

12204555120 is an abundant number, since it is smaller than the sum of its proper divisors (30375536544).

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

12204555120 is a wasteful number, since it uses less digits than its factorization.

12204555120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8549 (or 8534 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 12204555120 in words is "twelve billion, two hundred four million, five hundred fifty-five thousand, one hundred twenty".