121212112022 has 8 divisors (see below), whose sum is σ = 181832183400. Its totient is φ = 60601384224.

The previous prime is 121212112019. The next prime is 121212112051. The reversal of 121212112022 is 220211212121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121212112022² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2303372 + ... + 2355407.

It is an arithmetic number, because the mean of its divisors is an integer number (22729022925).

Almost surely, 2^121212112022 is an apocalyptic number.

121212112022 is a deficient number, since it is larger than the sum of its proper divisors (60620071378).

121212112022 is a wasteful number, since it uses less digits than its factorization.

121212112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4671790.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121212112022 its reverse (220211212121), we get a palindrome (341423324143).

The spelling of 121212112022 in words is "one hundred twenty-one billion, two hundred twelve million, one hundred twelve thousand, twenty-two".