104012510420 has 96 divisors (see below), whose sum is σ = 269692700928. Its totient is φ = 32812895232.

The previous prime is 104012510417. The next prime is 104012510431. The reversal of 104012510420 is 24015210401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 104012510392 and 104012510401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 478367 + ... + 660953.

It is an arithmetic number, because the mean of its divisors is an integer number (2809298968).

Almost surely, 2^104012510420 is an apocalyptic number.

104012510420 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 104012510420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134846350464).

104012510420 is an abundant number, since it is smaller than the sum of its proper divisors (165680190508).

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

104012510420 is a wasteful number, since it uses less digits than its factorization.

104012510420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182929 (or 182927 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 104012510420 its reverse (24015210401), we get a palindrome (128027720821).

The spelling of 104012510420 in words is "one hundred four billion, twelve million, five hundred ten thousand, four hundred twenty".