12841655400 has 864 divisors, whose sum is σ = 54027792000. Its totient is φ = 2717245440.

The previous prime is 12841655369. The next prime is 12841655429. The reversal of 12841655400 is 455614821.

It is a happy number.

12841655400 is a `hidden beast` number, since 12 + 8 + 41 + 65 + 540 + 0 = 666.

It is a super-2 number, since 2×12841655400² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 132388152 + ... + 132388248.

Almost surely, 2^12841655400 is an apocalyptic number.

12841655400 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 12841655400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27013896000).

12841655400 is an abundant number, since it is smaller than the sum of its proper divisors (41186136600).

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

12841655400 is a wasteful number, since it uses less digits than its factorization.

12841655400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 12841655400 in words is "twelve billion, eight hundred forty-one million, six hundred fifty-five thousand, four hundred".