12374855220 has 192 divisors, whose sum is σ = 45154561536. Its totient is φ = 2457354240.

The previous prime is 12374855197. The next prime is 12374855257. The reversal of 12374855220 is 2255847321.

It is a super-2 number, since 2×12374855220² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26160 + ... + 159480.

It is an arithmetic number, because the mean of its divisors is an integer number (235180008).

Almost surely, 2^12374855220 is an apocalyptic number.

12374855220 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 12374855220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22577280768).

12374855220 is an abundant number, since it is smaller than the sum of its proper divisors (32779706316).

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

12374855220 is a wasteful number, since it uses less digits than its factorization.

12374855220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133370 (or 133368 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 12374855220 in words is "twelve billion, three hundred seventy-four million, eight hundred fifty-five thousand, two hundred twenty".