12598065900 has 864 divisors, whose sum is σ = 51866680320. Its totient is φ = 2488320000.

The previous prime is 12598065871. The next prime is 12598065959. The reversal of 12598065900 is 956089521.

12598065900 is a `hidden beast` number, since 1 + 2 + 59 + 8 + 0 + 6 + 590 + 0 = 666.

It is a super-2 number, since 2×12598065900² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 83430825 + ... + 83430975.

It is an arithmetic number, because the mean of its divisors is an integer number (60030880).

Almost surely, 2^12598065900 is an apocalyptic number.

12598065900 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 12598065900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25933340160).

12598065900 is an abundant number, since it is smaller than the sum of its proper divisors (39268614420).

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

12598065900 is a wasteful number, since it uses less digits than its factorization.

12598065900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The spelling of 12598065900 in words is "twelve billion, five hundred ninety-eight million, sixty-five thousand, nine hundred".