12015235255 has 8 divisors (see below), whose sum is σ = 14420250000. Its totient is φ = 9610876416.

The previous prime is 12015235249. The next prime is 12015235261. The reversal of 12015235255 is 55253251021.

It is an interprime number because it is at equal distance from previous prime (12015235249) and next prime (12015235261).

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

It is a cyclic number.

It is not a de Polignac number, because 12015235255 - 2³ = 12015235247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122730 + ... + 197719.

It is an arithmetic number, because the mean of its divisors is an integer number (1802531250).

Almost surely, 2^12015235255 is an apocalyptic number.

12015235255 is a deficient number, since it is larger than the sum of its proper divisors (2405014745).

12015235255 is an equidigital number, since it uses as much as digits as its factorization.

12015235255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327953.

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 12015235255 its reverse (55253251021), we get a palindrome (67268486276).

The spelling of 12015235255 in words is "twelve billion, fifteen million, two hundred thirty-five thousand, two hundred fifty-five".