12013555254 has 16 divisors (see below), whose sum is σ = 24855631920. Its totient is φ = 3866431520.

The previous prime is 12013555243. The next prime is 12013555297. The reversal of 12013555254 is 45255531021.

It is a super-2 number, since 2×12013555254² (a number of 21 digits) contains 22 as substring.

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, 34521537 + ... + 34521884.

It is an arithmetic number, because the mean of its divisors is an integer number (1553476995).

Almost surely, 2^12013555254 is an apocalyptic number.

12013555254 is an abundant number, since it is smaller than the sum of its proper divisors (12842076666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12013555254 is a wasteful number, since it uses less digits than its factorization.

12013555254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69043455.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 12013555254 in words is "twelve billion, thirteen million, five hundred fifty-five thousand, two hundred fifty-four".