121012222 has 8 divisors (see below), whose sum is σ = 192195936. Its totient is φ = 56946912.

The previous prime is 121012219. The next prime is 121012249. The reversal of 121012222 is 222210121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1779558 + ... + 1779625.

It is an arithmetic number, because the mean of its divisors is an integer number (24024492).

Almost surely, 2^121012222 is an apocalyptic number.

121012222 is a deficient number, since it is larger than the sum of its proper divisors (71183714).

121012222 is a wasteful number, since it uses less digits than its factorization.

121012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559202.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 121012222 is about 11000.5555314266. Note that the first 4 decimals coincide. The cubic root of 121012222 is about 494.6253969545.

Adding to 121012222 its reverse (222210121), we get a palindrome (343222343).

The spelling of 121012222 in words is "one hundred twenty-one million, twelve thousand, two hundred twenty-two".