22020210221012 has 48 divisors (see below), whose sum is σ = 40029184918800. Its totient is φ = 10586534031360.

The previous prime is 22020210221011. The next prime is 22020210221021. The reversal of 22020210221012 is 21012201202022.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2214185664196 + 19806024556816 = 1488014^2 + 4450396^2 .

It is a super-2 number, since 2×22020210221012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020210221011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26814788 + ... + 27623780.

It is an arithmetic number, because the mean of its divisors is an integer number (833941352475).

Almost surely, 2^{22020210221012} is an apocalyptic number.

It is an amenable number.

22020210221012 is a deficient number, since it is larger than the sum of its proper divisors (18008974697788).

22020210221012 is a wasteful number, since it uses less digits than its factorization.

22020210221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809996 (or 809994 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22020210221012 its reverse (21012201202022), we get a palindrome (43032411423034).

The spelling of 22020210221012 in words is "twenty-two trillion, twenty billion, two hundred ten million, two hundred twenty-one thousand, twelve".