121212092 has 12 divisors (see below), whose sum is σ = 212353176. Its totient is φ = 60539760.

The previous prime is 121212089. The next prime is 121212097. The reversal of 121212092 is 290212121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121212097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12338 + ... + 19865.

It is an arithmetic number, because the mean of its divisors is an integer number (17696098).

Almost surely, 2^121212092 is an apocalyptic number.

It is an amenable number.

121212092 is a deficient number, since it is larger than the sum of its proper divisors (91141084).

121212092 is a wasteful number, since it uses less digits than its factorization.

121212092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33148 (or 33146 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 121212092 is about 11009.6363246022. The cubic root of 121212092 is about 494.8975634032.

The spelling of 121212092 in words is "one hundred twenty-one million, two hundred twelve thousand, ninety-two".