10122022120212 has 60 divisors (see below), whose sum is σ = 26462150294580. Its totient is φ = 3373856267904.

The previous prime is 10122022120169. The next prime is 10122022120219. The reversal of 10122022120212 is 21202122022101.

It is a happy number.

10122022120212 is a `hidden beast` number, since 10 + 1 + 220 + 221 + 2 + 0 + 212 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 121463402256 + 10000558717956 = 348516^2 + 3162366^2 .

It is a super-2 number, since 2×10122022120212² (a number of 27 digits) contains 22 as substring.

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 (10122022120219) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6665614 + ... + 8042042.

It is an arithmetic number, because the mean of its divisors is an integer number (441035838243).

Almost surely, 2^{10122022120212} is an apocalyptic number.

10122022120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10122022120212 is an abundant number, since it is smaller than the sum of its proper divisors (16340128174368).

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

10122022120212 is a wasteful number, since it uses less digits than its factorization.

10122022120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399142 (or 1399131 counting only the distinct ones).

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

Adding to 10122022120212 its reverse (21202122022101), we get a palindrome (31324144142313).

The spelling of 10122022120212 in words is "ten trillion, one hundred twenty-two billion, twenty-two million, one hundred twenty thousand, two hundred twelve".