12042235677 has 16 divisors (see below), whose sum is σ = 16336686080. Its totient is φ = 7888935600.

The previous prime is 12042235657. The next prime is 12042235679. The reversal of 12042235677 is 77653224021.

It is not a de Polignac number, because 12042235677 - 2³⁰ = 10968493853 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042235679) 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, 70399 + ... + 170412.

It is an arithmetic number, because the mean of its divisors is an integer number (1021042880).

Almost surely, 2^12042235677 is an apocalyptic number.

It is an amenable number.

12042235677 is a deficient number, since it is larger than the sum of its proper divisors (4294450403).

12042235677 is a wasteful number, since it uses less digits than its factorization.

12042235677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241104.

The product of its (nonzero) digits is 141120, while the sum is 39.

Adding to 12042235677 its reverse (77653224021), we get a palindrome (89695459698).

The spelling of 12042235677 in words is "twelve billion, forty-two million, two hundred thirty-five thousand, six hundred seventy-seven".