10212100620 has 48 divisors (see below), whose sum is σ = 30098826240. Its totient is φ = 2579898816.

The previous prime is 10212100589. The next prime is 10212100621. The reversal of 10212100620 is 2600121201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10212100620.

It is not an unprimeable number, because it can be changed into a prime (10212100621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4477852 + ... + 4480131.

It is an arithmetic number, because the mean of its divisors is an integer number (627058880).

Almost surely, 2^10212100620 is an apocalyptic number.

10212100620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212100620 is an abundant number, since it is smaller than the sum of its proper divisors (19886725620).

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

10212100620 is a wasteful number, since it uses less digits than its factorization.

10212100620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8958014 (or 8958012 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10212100620 its reverse (2600121201), we get a palindrome (12812221821).

The spelling of 10212100620 in words is "ten billion, two hundred twelve million, one hundred thousand, six hundred twenty".