12277901233391 has 4 divisors (see below), whose sum is σ = 12309958417152. Its totient is φ = 12245844049632.

The previous prime is 12277901233363. The next prime is 12277901233421. The reversal of 12277901233391 is 19333210977221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12277901233391 - 2¹⁴ = 12277901217007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12277901233291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16028591306 + ... + 16028592071.

It is an arithmetic number, because the mean of its divisors is an integer number (3077489604288).

Almost surely, 2^{12277901233391} is an apocalyptic number.

12277901233391 is a deficient number, since it is larger than the sum of its proper divisors (32057183761).

12277901233391 is an equidigital number, since it uses as much as digits as its factorization.

12277901233391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32057183760.

The product of its (nonzero) digits is 857304, while the sum is 50.

The spelling of 12277901233391 in words is "twelve trillion, two hundred seventy-seven billion, nine hundred one million, two hundred thirty-three thousand, three hundred ninety-one".