121122101212 has 24 divisors (see below), whose sum is σ = 242467119104. Its totient is φ = 51861704112.

The previous prime is 121122101209. The next prime is 121122101251. The reversal of 121122101212 is 212101221121.

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, 1959348 + ... + 2020219.

Almost surely, 2^121122101212 is an apocalyptic number.

It is an amenable number.

121122101212 is an abundant number, since it is smaller than the sum of its proper divisors (121345017892).

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

121122101212 is a wasteful number, since it uses less digits than its factorization.

121122101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980665 (or 3980663 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121122101212 its reverse (212101221121), we get a palindrome (333223322333).

The spelling of 121122101212 in words is "one hundred twenty-one billion, one hundred twenty-two million, one hundred one thousand, two hundred twelve".