12236783377 has 24 divisors (see below), whose sum is σ = 15337994112. Its totient is φ = 9676548000.

The previous prime is 12236783359. The next prime is 12236783401. The reversal of 12236783377 is 77338763221.

It is not a de Polignac number, because 12236783377 - 2⁷ = 12236783249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 12236783377.

It is not an unprimeable number, because it can be changed into a prime (12236783177) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1493502 + ... + 1501672.

It is an arithmetic number, because the mean of its divisors is an integer number (639083088).

Almost surely, 2^12236783377 is an apocalyptic number.

It is an amenable number.

12236783377 is a deficient number, since it is larger than the sum of its proper divisors (3101210735).

12236783377 is a wasteful number, since it uses less digits than its factorization.

12236783377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10549 (or 10542 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 49.

The spelling of 12236783377 in words is "twelve billion, two hundred thirty-six million, seven hundred eighty-three thousand, three hundred seventy-seven".