121112212000222 has 16 divisors (see below), whose sum is σ = 181920242016720. Its totient is φ = 60472177895808.

The previous prime is 121112212000217. The next prime is 121112212000279. The reversal of 121112212000222 is 222000212211121.

It is a self number, because there is not a number n which added to its sum of digits gives 121112212000222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6437808 + ... + 16842499.

It is an arithmetic number, because the mean of its divisors is an integer number (11370015126045).

Almost surely, 2^{121112212000222} is an apocalyptic number.

121112212000222 is a deficient number, since it is larger than the sum of its proper divisors (60808030016498).

121112212000222 is a wasteful number, since it uses less digits than its factorization.

121112212000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23283915.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121112212000222 its reverse (222000212211121), we get a palindrome (343112424211343).

The spelling of 121112212000222 in words is "one hundred twenty-one trillion, one hundred twelve billion, two hundred twelve million, two hundred twenty-two", and thus it is an aban number.