121110012212 has 12 divisors (see below), whose sum is σ = 242220024480. Its totient is φ = 51904290936.

The previous prime is 121110012203. The next prime is 121110012253. The reversal of 121110012212 is 212210011121.

121110012212 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162678762 + ... + 2162678817.

It is an arithmetic number, because the mean of its divisors is an integer number (20185002040).

Almost surely, 2^121110012212 is an apocalyptic number.

It is an amenable number.

121110012212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121110012212 is a wasteful number, since it uses less digits than its factorization.

121110012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325357590 (or 4325357588 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121110012212 its reverse (212210011121), we get a palindrome (333320023333).

The spelling of 121110012212 in words is "one hundred twenty-one billion, one hundred ten million, twelve thousand, two hundred twelve".