220221020001012 has 24 divisors (see below), whose sum is σ = 514223299472736. Its totient is φ = 73353541980768.

The previous prime is 220221020000981. The next prime is 220221020001067. The reversal of 220221020001012 is 210100020122022.

It is a super-2 number, since 2×220221020001012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220221020000982 and 220221020001000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6683068618 + ... + 6683101569.

It is an arithmetic number, because the mean of its divisors is an integer number (21425970811364).

Almost surely, 2^{220221020001012} is an apocalyptic number.

It is an amenable number.

220221020001012 is an abundant number, since it is smaller than the sum of its proper divisors (294002279471724).

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

220221020001012 is a wasteful number, since it uses less digits than its factorization.

220221020001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13366171567 (or 13366171565 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220221020001012 its reverse (210100020122022), we get a palindrome (430321040123034).

The spelling of 220221020001012 in words is "two hundred twenty trillion, two hundred twenty-one billion, twenty million, one thousand, twelve".