12124210415 has 4 divisors (see below), whose sum is σ = 14549052504. Its totient is φ = 9699368328.

The previous prime is 12124210337. The next prime is 12124210421. The reversal of 12124210415 is 51401242121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12124210415 - 2⁸ = 12124210159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212421037 + ... + 1212421046.

It is an arithmetic number, because the mean of its divisors is an integer number (3637263126).

Almost surely, 2^12124210415 is an apocalyptic number.

12124210415 is a deficient number, since it is larger than the sum of its proper divisors (2424842089).

12124210415 is an equidigital number, since it uses as much as digits as its factorization.

12124210415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424842088.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 12124210415 its reverse (51401242121), we get a palindrome (63525452536).

The spelling of 12124210415 in words is "twelve billion, one hundred twenty-four million, two hundred ten thousand, four hundred fifteen".