10215000000 has 336 divisors, whose sum is σ = 36760452768. Its totient is φ = 2712000000.

The previous prime is 10214999983. The next prime is 10215000067. The reversal of 10215000000 is 51201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44999887 + ... + 45000113.

Almost surely, 2^10215000000 is an apocalyptic number.

10215000000 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 10215000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18380226384).

10215000000 is an abundant number, since it is smaller than the sum of its proper divisors (26545452768).

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

10215000000 is an frugal number, since it uses more digits than its factorization.

10215000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

Adding to 10215000000 its reverse (51201), we get a palindrome (10215051201).

The spelling of 10215000000 in words is "ten billion, two hundred fifteen million", and thus it is an aban number.