10212405804 has 60 divisors (see below), whose sum is σ = 26744485768. Its totient is φ = 3398112000.

The previous prime is 10212405799. The next prime is 10212405809. The reversal of 10212405804 is 40850421201.

It is an interprime number because it is at equal distance from previous prime (10212405799) and next prime (10212405809).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10212405809) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 157404 + ... + 212604.

Almost surely, 2^10212405804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10212405804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13372242884).

10212405804 is an abundant number, since it is smaller than the sum of its proper divisors (16532079964).

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

10212405804 is a wasteful number, since it uses less digits than its factorization.

10212405804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55788 (or 55777 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The spelling of 10212405804 in words is "ten billion, two hundred twelve million, four hundred five thousand, eight hundred four".