12255100115 has 4 divisors (see below), whose sum is σ = 14706120144. Its totient is φ = 9804080088.

The previous prime is 12255100103. The next prime is 12255100127. The reversal of 12255100115 is 51100155221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51100155221 = 77081 ⋅662941.

It is an interprime number because it is at equal distance from previous prime (12255100103) and next prime (12255100127).

It is a cyclic number.

It is not a de Polignac number, because 12255100115 - 2¹⁸ = 12254837971 is a prime.

It is a Duffinian 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, 1225510007 + ... + 1225510016.

It is an arithmetic number, because the mean of its divisors is an integer number (3676530036).

Almost surely, 2^12255100115 is an apocalyptic number.

12255100115 is a deficient number, since it is larger than the sum of its proper divisors (2451020029).

12255100115 is an equidigital number, since it uses as much as digits as its factorization.

12255100115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451020028.

The product of its (nonzero) digits is 500, while the sum is 23.

Adding to 12255100115 its reverse (51100155221), we get a palindrome (63355255336).

The spelling of 12255100115 in words is "twelve billion, two hundred fifty-five million, one hundred thousand, one hundred fifteen".