15212233243 has 8 divisors (see below), whose sum is σ = 16162112880. Its totient is φ = 14290708320.

The previous prime is 15212233237. The next prime is 15212233247. The reversal of 15212233243 is 34233221251.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15212233243 - 2¹³ = 15212225051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15212233247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7087573 + ... + 7089718.

It is an arithmetic number, because the mean of its divisors is an integer number (2020264110).

Almost surely, 2^15212233243 is an apocalyptic number.

15212233243 is a deficient number, since it is larger than the sum of its proper divisors (949879637).

15212233243 is a wasteful number, since it uses less digits than its factorization.

15212233243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14177357.

The product of its digits is 8640, while the sum is 28.

Adding to 15212233243 its reverse (34233221251), we get a palindrome (49445454494).

The spelling of 15212233243 in words is "fifteen billion, two hundred twelve million, two hundred thirty-three thousand, two hundred forty-three".