1822121212182 has 32 divisors (see below), whose sum is σ = 3656357656704. Its totient is φ = 605355643200.

The previous prime is 1822121212133. The next prime is 1822121212187. The reversal of 1822121212182 is 2812121212281.

It is a super-2 number, since 2×1822121212182² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822121212187) 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, 6510082 + ... + 6784202.

It is an arithmetic number, because the mean of its divisors is an integer number (114261176772).

Almost surely, 2^{1822121212182} is an apocalyptic number.

1822121212182 is an abundant number, since it is smaller than the sum of its proper divisors (1834236444522).

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

1822121212182 is a wasteful number, since it uses less digits than its factorization.

1822121212182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277804.

The product of its digits is 4096, while the sum is 33.

Subtracting 1822121212182 from its reverse (2812121212281), we obtain a palindrome (990000000099).

The spelling of 1822121212182 in words is "one trillion, eight hundred twenty-two billion, one hundred twenty-one million, two hundred twelve thousand, one hundred eighty-two".