212110022120 has 32 divisors (see below), whose sum is σ = 477261178920. Its totient is φ = 84841585920.

The previous prime is 212110022107. The next prime is 212110022161. The reversal of 212110022120 is 21220011212.

212110022120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 205990715044 + 6119307076 = 453862^2 + 78226^2 .

It is a super-2 number, since 2×212110022120² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212110022095 and 212110022104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2150690 + ... + 2247150.

Almost surely, 2^212110022120 is an apocalyptic number.

212110022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212110022120 is an abundant number, since it is smaller than the sum of its proper divisors (265151156800).

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

212110022120 is a wasteful number, since it uses less digits than its factorization.

212110022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151445 (or 151441 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212110022120 its reverse (21220011212), we get a palindrome (233330033332).

The spelling of 212110022120 in words is "two hundred twelve billion, one hundred ten million, twenty-two thousand, one hundred twenty".