121121212000112 has 20 divisors (see below), whose sum is σ = 235654240928160. Its totient is φ = 60307214341248.

The previous prime is 121121212000099. The next prime is 121121212000121. The reversal of 121121212000112 is 211000212121121.

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, 15836974733 + ... + 15836982380.

It is an arithmetic number, because the mean of its divisors is an integer number (11782712046408).

Almost surely, 2^{121121212000112} is an apocalyptic number.

It is an amenable number.

121121212000112 is a deficient number, since it is larger than the sum of its proper divisors (114533028928048).

121121212000112 is a wasteful number, since it uses less digits than its factorization.

121121212000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31673957360 (or 31673957354 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121121212000112 its reverse (211000212121121), we get a palindrome (332121424121233).

The spelling of 121121212000112 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, two hundred twelve million, one hundred twelve", and thus it is an aban number.