15121251202230 has 48 divisors (see below), whose sum is σ = 39316110017184. Its totient is φ = 4032245767680.

The previous prime is 15121251202199. The next prime is 15121251202247. The reversal of 15121251202230 is 3220215212151.

15121251202230 is a `hidden beast` number, since 1 + 5 + 121 + 2 + 512 + 0 + 2 + 23 + 0 = 666.

15121251202230 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 = 15121251202194 and 15121251202203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2374662 + ... + 5990118.

It is an arithmetic number, because the mean of its divisors is an integer number (819085625358).

Almost surely, 2^{15121251202230} is an apocalyptic number.

15121251202230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15121251202230 is an abundant number, since it is smaller than the sum of its proper divisors (24194858814954).

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

15121251202230 is a wasteful number, since it uses less digits than its factorization.

15121251202230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661941 (or 3661938 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 15121251202230 its reverse (3220215212151), we get a palindrome (18341466414381).

The spelling of 15121251202230 in words is "fifteen trillion, one hundred twenty-one billion, two hundred fifty-one million, two hundred two thousand, two hundred thirty".