1220176422117 has 12 divisors (see below), whose sum is σ = 1762823587200. Its totient is φ = 813291009768.

The previous prime is 1220176422097. The next prime is 1220176422119. The reversal of 1220176422117 is 7112246710221.

1220176422117 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 1 + 7 + 642 + 2 + 1 + 1 + 7 = 666.

It is not a de Polignac number, because 1220176422117 - 2²³ = 1220168033509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220176422119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13279867 + ... + 13371432.

It is an arithmetic number, because the mean of its divisors is an integer number (146901965600).

Almost surely, 2^{1220176422117} is an apocalyptic number.

It is an amenable number.

1220176422117 is a deficient number, since it is larger than the sum of its proper divisors (542647165083).

1220176422117 is a wasteful number, since it uses less digits than its factorization.

1220176422117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26656392 (or 26656389 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 1220176422117 in words is "one trillion, two hundred twenty billion, one hundred seventy-six million, four hundred twenty-two thousand, one hundred seventeen".