12013555255 has 16 divisors (see below), whose sum is σ = 15565777920. Its totient is φ = 8848366848.

The previous prime is 12013555243. The next prime is 12013555297. The reversal of 12013555255 is 55255531021.

It is a cyclic number.

It is not a de Polignac number, because 12013555255 - 2⁹ = 12013554743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12013555255.

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, 216390 + ... + 266179.

It is an arithmetic number, because the mean of its divisors is an integer number (972861120).

Almost surely, 2^12013555255 is an apocalyptic number.

12013555255 is a deficient number, since it is larger than the sum of its proper divisors (3552222665).

12013555255 is a wasteful number, since it uses less digits than its factorization.

12013555255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482970.

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 12013555255 in words is "twelve billion, thirteen million, five hundred fifty-five thousand, two hundred fifty-five".