121212020222 has 8 divisors (see below), whose sum is σ = 181833879216. Its totient is φ = 60600727152.

The previous prime is 121212020221. The next prime is 121212020227. The reversal of 121212020222 is 222020212121.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 121212020222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121212020221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2612738 + ... + 2658725.

It is an arithmetic number, because the mean of its divisors is an integer number (22729234902).

Almost surely, 2^121212020222 is an apocalyptic number.

121212020222 is a deficient number, since it is larger than the sum of its proper divisors (60621858994).

121212020222 is a wasteful number, since it uses less digits than its factorization.

121212020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5282962.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121212020222 its reverse (222020212121), we get a palindrome (343232232343).

The spelling of 121212020222 in words is "one hundred twenty-one billion, two hundred twelve million, twenty thousand, two hundred twenty-two".