220200021001012 has 18 divisors (see below), whose sum is σ = 417272525004678. Its totient is φ = 101630778923232.

The previous prime is 220200021001001. The next prime is 220200021001019. The reversal of 220200021001012 is 210100120002022.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11940314386576 + 208259706614436 = 3455476^2 + 14431206^2 .

It is a super-2 number, since 2×220200021001012² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 220200021000983 and 220200021001001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220200021001019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162869837343 + ... + 162869838694.

Almost surely, 2^{220200021001012} is an apocalyptic number.

It is an amenable number.

220200021001012 is a deficient number, since it is larger than the sum of its proper divisors (197072504003666).

220200021001012 is a wasteful number, since it uses less digits than its factorization.

220200021001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325739676067 (or 325739676052 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220200021001012 its reverse (210100120002022), we get a palindrome (430300141003034).

The spelling of 220200021001012 in words is "two hundred twenty trillion, two hundred billion, twenty-one million, one thousand, twelve".