1220513471752 has 16 divisors (see below), whose sum is σ = 2288539342800. Its totient is φ = 610236313680.

The previous prime is 1220513471713. The next prime is 1220513471773. The reversal of 1220513471752 is 2571743150221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2297274 + ... + 2778217.

It is an arithmetic number, because the mean of its divisors is an integer number (143033708925).

Almost surely, 2^{1220513471752} is an apocalyptic number.

It is an amenable number.

1220513471752 is a deficient number, since it is larger than the sum of its proper divisors (1068025871048).

1220513471752 is a wasteful number, since it uses less digits than its factorization.

1220513471752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105556 (or 5105552 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 1220513471752 in words is "one trillion, two hundred twenty billion, five hundred thirteen million, four hundred seventy-one thousand, seven hundred fifty-two".