12055255631 has 8 divisors (see below), whose sum is σ = 12127695744. Its totient is φ = 11982985560.

The previous prime is 12055255613. The next prime is 12055255661. The reversal of 12055255631 is 13655255021.

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 12055255631 - 2¹⁸ = 12054993487 is a prime.

It is a super-2 number, since 2×12055255631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12055255591 and 12055255600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12055255661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101156 + ... + 185318.

It is an arithmetic number, because the mean of its divisors is an integer number (1515961968).

Almost surely, 2^12055255631 is an apocalyptic number.

12055255631 is a deficient number, since it is larger than the sum of its proper divisors (72440113).

12055255631 is an equidigital number, since it uses as much as digits as its factorization.

12055255631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85021.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 12055255631 in words is "twelve billion, fifty-five million, two hundred fifty-five thousand, six hundred thirty-one".