2220641855712 has 120 divisors (see below), whose sum is σ = 7463824076016. Its totient is φ = 634469096448.

The previous prime is 2220641855681. The next prime is 2220641855749. The reversal of 2220641855712 is 2175581460222.

2220641855712 is a `hidden beast` number, since 2 + 2 + 2 + 0 + 64 + 18 + 5 + 571 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 61176793 + ... + 61213080.

Almost surely, 2^{2220641855712} is an apocalyptic number.

It is an amenable number.

2220641855712 is an abundant number, since it is smaller than the sum of its proper divisors (5243182220304).

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

2220641855712 is a wasteful number, since it uses less digits than its factorization.

2220641855712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122389902 (or 122389885 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 2220641855712 in words is "two trillion, two hundred twenty billion, six hundred forty-one million, eight hundred fifty-five thousand, seven hundred twelve".