1012002200220 has 48 divisors (see below), whose sum is σ = 3091206722688. Its totient is φ = 245333866560.

The previous prime is 1012002200191. The next prime is 1012002200263. The reversal of 1012002200220 is 220022002101.

It is a Harshad number since it is a multiple of its sum of digits (12).

1012002200220 is a modest number, since divided by 2200220 gives 10120 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1012002200196 and 1012002200205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766667674 + ... + 766668993.

It is an arithmetic number, because the mean of its divisors is an integer number (64400140056).

Almost surely, 2^{1012002200220} is an apocalyptic number.

1012002200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012002200220 is an abundant number, since it is smaller than the sum of its proper divisors (2079204522468).

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

1012002200220 is a wasteful number, since it uses less digits than its factorization.

1012002200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533336690 (or 1533336688 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1012002200220 its reverse (220022002101), we get a palindrome (1232024202321).

The spelling of 1012002200220 in words is "one trillion, twelve billion, two million, two hundred thousand, two hundred twenty".