1217316422577 has 16 divisors (see below), whose sum is σ = 1642005247232. Its totient is φ = 802108224000.

The previous prime is 1217316422521. The next prime is 1217316422603. The reversal of 1217316422577 is 7752246137121.

It is not a de Polignac number, because 1217316422577 - 2⁶ = 1217316422513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1217316422507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2566558 + ... + 3003639.

It is an arithmetic number, because the mean of its divisors is an integer number (102625327952).

Almost surely, 2^{1217316422577} is an apocalyptic number.

It is an amenable number.

1217316422577 is a deficient number, since it is larger than the sum of its proper divisors (424688824655).

1217316422577 is an equidigital number, since it uses as much as digits as its factorization.

1217316422577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571048.

The product of its digits is 987840, while the sum is 48.

The spelling of 1217316422577 in words is "one trillion, two hundred seventeen billion, three hundred sixteen million, four hundred twenty-two thousand, five hundred seventy-seven".