12056227601 has 4 divisors (see below), whose sum is σ = 13152248304. Its totient is φ = 10960206900.

The previous prime is 12056227591. The next prime is 12056227627. The reversal of 12056227601 is 10672265021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12056227601 - 2²² = 12052033297 is a prime.

It is a super-2 number, since 2×12056227601² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12056217601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548010335 + ... + 548010356.

It is an arithmetic number, because the mean of its divisors is an integer number (3288062076).

Almost surely, 2^12056227601 is an apocalyptic number.

12056227601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12056227601 is a deficient number, since it is larger than the sum of its proper divisors (1096020703).

12056227601 is a wasteful number, since it uses less digits than its factorization.

12056227601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096020702.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 12056227601 in words is "twelve billion, fifty-six million, two hundred twenty-seven thousand, six hundred one".