15210200012 has 48 divisors (see below), whose sum is σ = 31770826752. Its totient is φ = 6229776960.

The previous prime is 15210199997. The next prime is 15210200021. The reversal of 15210200012 is 21000201251.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a self number, because there is not a number n which added to its sum of digits gives 15210200012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 771437 + ... + 790907.

It is an arithmetic number, because the mean of its divisors is an integer number (661892224).

Almost surely, 2^15210200012 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 15210200012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15885413376).

15210200012 is an abundant number, since it is smaller than the sum of its proper divisors (16560626740).

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

15210200012 is a wasteful number, since it uses less digits than its factorization.

15210200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20718 (or 20716 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 15210200012 its reverse (21000201251), we get a palindrome (36210401263).

The spelling of 15210200012 in words is "fifteen billion, two hundred ten million, two hundred thousand, twelve".