12124232215 has 16 divisors (see below), whose sum is σ = 15808849920. Its totient is φ = 8892473760.

The previous prime is 12124232209. The next prime is 12124232243. The reversal of 12124232215 is 51223242121.

It is not a de Polignac number, because 12124232215 - 2³ = 12124232207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12124232215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2055499 + ... + 2061388.

It is an arithmetic number, because the mean of its divisors is an integer number (988053120).

Almost surely, 2^12124232215 is an apocalyptic number.

12124232215 is a deficient number, since it is larger than the sum of its proper divisors (3684617705).

12124232215 is a wasteful number, since it uses less digits than its factorization.

12124232215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4116942.

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

Adding to 12124232215 its reverse (51223242121), we get a palindrome (63347474336).

The spelling of 12124232215 in words is "twelve billion, one hundred twenty-four million, two hundred thirty-two thousand, two hundred fifteen".