15210066829812 has 96 divisors (see below), whose sum is σ = 37578194747520. Its totient is φ = 4774882037760.

The previous prime is 15210066829801. The next prime is 15210066829817. The reversal of 15210066829812 is 21892866001251.

It is a super-2 number, since 2×15210066829812² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15210066829817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 501751968 + ... + 501782280.

It is an arithmetic number, because the mean of its divisors is an integer number (391439528620).

Almost surely, 2^{15210066829812} is an apocalyptic number.

15210066829812 is a gapful number since it is divisible by the number (12) 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 15210066829812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18789097373760).

15210066829812 is an abundant number, since it is smaller than the sum of its proper divisors (22368127917708).

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

15210066829812 is a wasteful number, since it uses less digits than its factorization.

15210066829812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43233 (or 43231 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The spelling of 15210066829812 in words is "fifteen trillion, two hundred ten billion, sixty-six million, eight hundred twenty-nine thousand, eight hundred twelve".