12036231677 has 16 divisors (see below), whose sum is σ = 12274429440. Its totient is φ = 11800518912.

The previous prime is 12036231673. The next prime is 12036231679. The reversal of 12036231677 is 77613263021.

It is a cyclic number.

It is not a de Polignac number, because 12036231677 - 2² = 12036231673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12036231677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12036231671) 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, 7799768 + ... + 7801310.

It is an arithmetic number, because the mean of its divisors is an integer number (767151840).

Almost surely, 2^12036231677 is an apocalyptic number.

It is an amenable number.

12036231677 is a deficient number, since it is larger than the sum of its proper divisors (238197763).

12036231677 is a wasteful number, since it uses less digits than its factorization.

12036231677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252.

The product of its (nonzero) digits is 63504, while the sum is 38.

Adding to 12036231677 its reverse (77613263021), we get a palindrome (89649494698).

The spelling of 12036231677 in words is "twelve billion, thirty-six million, two hundred thirty-one thousand, six hundred seventy-seven".