1227663715136 has 28 divisors (see below), whose sum is σ = 2564363354880. Its totient is φ = 581524917120.

The previous prime is 1227663715099. The next prime is 1227663715139. The reversal of 1227663715136 is 6315173667221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227663715139) 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, 504794720 + ... + 504797151.

Almost surely, 2^{1227663715136} is an apocalyptic number.

1227663715136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1227663715136 is an abundant number, since it is smaller than the sum of its proper divisors (1336699639744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1227663715136 is a wasteful number, since it uses less digits than its factorization.

1227663715136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009591902 (or 1009591892 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 50.

The spelling of 1227663715136 in words is "one trillion, two hundred twenty-seven billion, six hundred sixty-three million, seven hundred fifteen thousand, one hundred thirty-six".