121023212 has 12 divisors (see below), whose sum is σ = 211889496. Its totient is φ = 60483360.

The previous prime is 121023209. The next prime is 121023257. The reversal of 121023212 is 212320121.

It is a happy 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, 4787 + ... + 16277.

It is an arithmetic number, because the mean of its divisors is an integer number (17657458).

Almost surely, 2^121023212 is an apocalyptic number.

It is an amenable number.

121023212 is a deficient number, since it is larger than the sum of its proper divisors (90866284).

121023212 is a wasteful number, since it uses less digits than its factorization.

121023212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14128 (or 14126 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 121023212 is about 11001.0550403132. The cubic root of 121023212 is about 494.6403700111.

Adding to 121023212 its reverse (212320121), we get a palindrome (333343333).

The spelling of 121023212 in words is "one hundred twenty-one million, twenty-three thousand, two hundred twelve".