1220653031607 has 8 divisors (see below), whose sum is σ = 1808374861680. Its totient is φ = 813768687720.

The previous prime is 1220653031599. The next prime is 1220653031623. The reversal of 1220653031607 is 7061303560221.

1220653031607 is a `hidden beast` number, since 12 + 2 + 0 + 6 + 5 + 3 + 0 + 31 + 607 = 666.

It is not a de Polignac number, because 1220653031607 - 2³ = 1220653031599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220653039607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22604685744 + ... + 22604685797.

It is an arithmetic number, because the mean of its divisors is an integer number (226046857710).

Almost surely, 2^{1220653031607} is an apocalyptic number.

1220653031607 is a deficient number, since it is larger than the sum of its proper divisors (587721830073).

1220653031607 is an equidigital number, since it uses as much as digits as its factorization.

1220653031607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45209371550 (or 45209371544 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

Adding to 1220653031607 its reverse (7061303560221), we get a palindrome (8281956591828).

The spelling of 1220653031607 in words is "one trillion, two hundred twenty billion, six hundred fifty-three million, thirty-one thousand, six hundred seven".