1222460777136 has 40 divisors (see below), whose sum is σ = 3178937757184. Its totient is φ = 404788334400.

The previous prime is 1222460777123. The next prime is 1222460777137. The reversal of 1222460777136 is 6317770642221.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1222460777137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84323656 + ... + 84338151.

Almost surely, 2^{1222460777136} is an apocalyptic number.

1222460777136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1222460777136 is an abundant number, since it is smaller than the sum of its proper divisors (1956476980048).

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

1222460777136 is a wasteful number, since it uses less digits than its factorization.

1222460777136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168661969 (or 168661963 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 1222460777136 in words is "one trillion, two hundred twenty-two billion, four hundred sixty million, seven hundred seventy-seven thousand, one hundred thirty-six".