1226377832156 has 48 divisors (see below), whose sum is σ = 2272163594400. Its totient is φ = 578338962432.

The previous prime is 1226377832149. The next prime is 1226377832189. The reversal of 1226377832156 is 6512387736221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1226377832098 and 1226377832107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141296 + ... + 1572488.

It is an arithmetic number, because the mean of its divisors is an integer number (47336741550).

Almost surely, 2^{1226377832156} is an apocalyptic number.

It is an amenable number.

1226377832156 is a deficient number, since it is larger than the sum of its proper divisors (1045785762244).

1226377832156 is a wasteful number, since it uses less digits than its factorization.

1226377832156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431398 (or 1431396 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 53.

The spelling of 1226377832156 in words is "one trillion, two hundred twenty-six billion, three hundred seventy-seven million, eight hundred thirty-two thousand, one hundred fifty-six".