104312520000 has 840 divisors, whose sum is σ = 415918863360. Its totient is φ = 24814080000.

The previous prime is 104312519977. The next prime is 104312520017. The reversal of 104312520000 is 25213401.

104312520000 is a `hidden beast` number, since 10 + 431 + 25 + 200 + 0 + 0 = 666.

It is a super-2 number, since 2×104312520000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 145079641 + ... + 145080359.

It is an arithmetic number, because the mean of its divisors is an integer number (495141504).

Almost surely, 2^104312520000 is an apocalyptic number.

104312520000 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 104312520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207959431680).

104312520000 is an abundant number, since it is smaller than the sum of its proper divisors (311606343360).

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

104312520000 is a wasteful number, since it uses less digits than its factorization.

104312520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 104312520000 its reverse (25213401), we get a palindrome (104337733401).

The spelling of 104312520000 in words is "one hundred four billion, three hundred twelve million, five hundred twenty thousand".