121212010202022 has 16 divisors (see below), whose sum is σ = 269360022671280. Its totient is φ = 40404003400656.

The previous prime is 121212010201981. The next prime is 121212010202177. The reversal of 121212010202022 is 220202010212121.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 121212010201986 and 121212010202004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122333427743 + ... + 1122333427850.

It is an arithmetic number, because the mean of its divisors is an integer number (16835001416955).

Almost surely, 2^{121212010202022} is an apocalyptic number.

121212010202022 is an abundant number, since it is smaller than the sum of its proper divisors (148148012469258).

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

121212010202022 is a wasteful number, since it uses less digits than its factorization.

121212010202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244666855604 (or 2244666855598 counting only the distinct ones).

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

Adding to 121212010202022 its reverse (220202010212121), we get a palindrome (341414020414143).

The spelling of 121212010202022 in words is "one hundred twenty-one trillion, two hundred twelve billion, ten million, two hundred two thousand, twenty-two".