15212342104 has 16 divisors (see below), whose sum is σ = 28913870520. Its totient is φ = 7501976640.

The previous prime is 15212342099. The next prime is 15212342141. The reversal of 15212342104 is 40124321251.

It is a super-2 number, since 2×15212342104² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13023682 + ... + 13024849.

Almost surely, 2^15212342104 is an apocalyptic number.

It is an amenable number.

15212342104 is a deficient number, since it is larger than the sum of its proper divisors (13701528416).

15212342104 is a wasteful number, since it uses less digits than its factorization.

15212342104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26048610 (or 26048606 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 15212342104 its reverse (40124321251), we get a palindrome (55336663355).

The spelling of 15212342104 in words is "fifteen billion, two hundred twelve million, three hundred forty-two thousand, one hundred four".