15212245103 has 12 divisors (see below), whose sum is σ = 17348083368. Its totient is φ = 13228034160.

The previous prime is 15212245067. The next prime is 15212245151. The reversal of 15212245103 is 30154221251.

It is not a de Polignac number, because 15212245103 - 2²⁴ = 15195467887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15212245193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1301300 + ... + 1312937.

It is an arithmetic number, because the mean of its divisors is an integer number (1445673614).

Almost surely, 2^15212245103 is an apocalyptic number.

15212245103 is a deficient number, since it is larger than the sum of its proper divisors (2135838265).

15212245103 is a wasteful number, since it uses less digits than its factorization.

15212245103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614294 (or 2614271 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 15212245103 its reverse (30154221251), we get a palindrome (45366466354).

The spelling of 15212245103 in words is "fifteen billion, two hundred twelve million, two hundred forty-five thousand, one hundred three".