121022022212 has 96 divisors (see below), whose sum is σ = 266311315200. Its totient is φ = 47817665280.

The previous prime is 121022022137. The next prime is 121022022229. The reversal of 121022022212 is 212220220121.

It is a happy number.

121022022212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16173512 + ... + 16180992.

It is an arithmetic number, because the mean of its divisors is an integer number (2774076200).

Almost surely, 2^121022022212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121022022212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133155657600).

121022022212 is an abundant number, since it is smaller than the sum of its proper divisors (145289292988).

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

121022022212 is a wasteful number, since it uses less digits than its factorization.

121022022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8426 (or 8410 counting only the distinct ones).

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

Adding to 121022022212 its reverse (212220220121), we get a palindrome (333242242333).

The spelling of 121022022212 in words is "one hundred twenty-one billion, twenty-two million, twenty-two thousand, two hundred twelve".