12055553043 has 16 divisors (see below), whose sum is σ = 17092666656. Its totient is φ = 7531796480.

The previous prime is 12055553033. The next prime is 12055553047. The reversal of 12055553043 is 34035555021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12055553043 - 2¹⁷ = 12055421971 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12055552995 and 12055553013.

It is not an unprimeable number, because it can be changed into a prime (12055553047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495378 + ... + 519143.

It is an arithmetic number, because the mean of its divisors is an integer number (1068291666).

Almost surely, 2^12055553043 is an apocalyptic number.

12055553043 is a deficient number, since it is larger than the sum of its proper divisors (5037113613).

12055553043 is a wasteful number, since it uses less digits than its factorization.

12055553043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014774.

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 12055553043 in words is "twelve billion, fifty-five million, five hundred fifty-three thousand, forty-three".