12421540255 has 8 divisors (see below), whose sum is σ = 15037759152. Its totient is φ = 9849291648.

The previous prime is 12421540237. The next prime is 12421540283. The reversal of 12421540255 is 55204512421.

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 12421540255 - 2⁵ = 12421540223 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 7 ways as a sum of consecutive naturals, for example, 10991949 + ... + 10993078.

It is an arithmetic number, because the mean of its divisors is an integer number (1879719894).

Almost surely, 2^12421540255 is an apocalyptic number.

12421540255 is a deficient number, since it is larger than the sum of its proper divisors (2616218897).

12421540255 is a wasteful number, since it uses less digits than its factorization.

12421540255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21985145.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 12421540255 in words is "twelve billion, four hundred twenty-one million, five hundred forty thousand, two hundred fifty-five".