10221252000 has 192 divisors, whose sum is σ = 33987268224. Its totient is φ = 2684774400.

The previous prime is 10221251959. The next prime is 10221252011. The reversal of 10221252000 is 25212201.

10221252000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 797644 + ... + 810356.

It is an arithmetic number, because the mean of its divisors is an integer number (177017022).

Almost surely, 2^10221252000 is an apocalyptic number.

10221252000 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 10221252000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16993634112).

10221252000 is an abundant number, since it is smaller than the sum of its proper divisors (23766016224).

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

10221252000 is a wasteful number, since it uses less digits than its factorization.

10221252000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12808 (or 12790 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 10221252000 its reverse (25212201), we get a palindrome (10246464201).

The spelling of 10221252000 in words is "ten billion, two hundred twenty-one million, two hundred fifty-two thousand".