15212357030 has 64 divisors (see below), whose sum is σ = 31415005440. Its totient is φ = 5257063296.

The previous prime is 15212357029. The next prime is 15212357033. The reversal of 15212357030 is 3075321251.

15212357030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15212356984 and 15212357002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15212357033) by changing a digit.

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, 167909 + ... + 242111.

It is an arithmetic number, because the mean of its divisors is an integer number (490859460).

Almost surely, 2^15212357030 is an apocalyptic number.

15212357030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15212357030 is an abundant number, since it is smaller than the sum of its proper divisors (16202648410).

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

15212357030 is a wasteful number, since it uses less digits than its factorization.

15212357030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74325.

The product of its (nonzero) digits is 6300, while the sum is 29.

Adding to 15212357030 its reverse (3075321251), we get a palindrome (18287678281).

The spelling of 15212357030 in words is "fifteen billion, two hundred twelve million, three hundred fifty-seven thousand, thirty".