212244121122 has 32 divisors (see below), whose sum is σ = 469421628480. Its totient is φ = 63435352320.

The previous prime is 212244121069. The next prime is 212244121129. The reversal of 212244121122 is 221121442212.

It is a super-4 number, since 4×212244121122⁴ (a number of 46 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212244121092 and 212244121101.

It is not an unprimeable number, because it can be changed into a prime (212244121129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22021347 + ... + 22030982.

It is an arithmetic number, because the mean of its divisors is an integer number (14669425890).

Almost surely, 2^212244121122 is an apocalyptic number.

212244121122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212244121122 is an abundant number, since it is smaller than the sum of its proper divisors (257177507358).

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

212244121122 is a wasteful number, since it uses less digits than its factorization.

212244121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44052418.

The product of its digits is 1024, while the sum is 24.

Adding to 212244121122 its reverse (221121442212), we get a palindrome (433365563334).

The spelling of 212244121122 in words is "two hundred twelve billion, two hundred forty-four million, one hundred twenty-one thousand, one hundred twenty-two".