15306303012 has 192 divisors, whose sum is σ = 48353507328. Its totient is φ = 3669494400.

The previous prime is 15306303007. The next prime is 15306303013. The reversal of 15306303012 is 21030360351.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15306303013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1448187 + ... + 1458717.

It is an arithmetic number, because the mean of its divisors is an integer number (251841184).

Almost surely, 2^15306303012 is an apocalyptic number.

15306303012 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 15306303012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24176753664).

15306303012 is an abundant number, since it is smaller than the sum of its proper divisors (33047204316).

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

15306303012 is a wasteful number, since it uses less digits than its factorization.

15306303012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10591 (or 10567 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 15306303012 its reverse (21030360351), we get a palindrome (36336663363).

The spelling of 15306303012 in words is "fifteen billion, three hundred six million, three hundred three thousand, twelve".