10222020112212 has 36 divisors (see below), whose sum is σ = 26326523501460. Its totient is φ = 3343050602112.

The previous prime is 10222020112211. The next prime is 10222020112229. The reversal of 10222020112212 is 21221102022201.

It is a happy number.

10222020112212 is a `hidden beast` number, since 102 + 220 + 20 + 112 + 212 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8031578672016 + 2190441440196 = 2834004^2 + 1480014^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222020112211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2678724537 + ... + 2678728352.

It is an arithmetic number, because the mean of its divisors is an integer number (731292319485).

Almost surely, 2^{10222020112212} is an apocalyptic number.

10222020112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10222020112212 is an abundant number, since it is smaller than the sum of its proper divisors (16104503389248).

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

10222020112212 is a wasteful number, since it uses less digits than its factorization.

10222020112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5357452952 (or 5357452947 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10222020112212 its reverse (21221102022201), we get a palindrome (31443122134413).

The spelling of 10222020112212 in words is "ten trillion, two hundred twenty-two billion, twenty million, one hundred twelve thousand, two hundred twelve".