121224202 has 32 divisors (see below), whose sum is σ = 203808384. Its totient is φ = 53611200.

The previous prime is 121224133. The next prime is 121224217. The reversal of 121224202 is 202422121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137788 + ... + 138664.

It is an arithmetic number, because the mean of its divisors is an integer number (6369012).

Almost surely, 2^121224202 is an apocalyptic number.

121224202 is a deficient number, since it is larger than the sum of its proper divisors (82584182).

121224202 is a wasteful number, since it uses less digits than its factorization.

121224202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 121224202 is about 11010.1862836194. The cubic root of 121224202 is about 494.9140441844.

Adding to 121224202 its reverse (202422121), we get a palindrome (323646323).

The spelling of 121224202 in words is "one hundred twenty-one million, two hundred twenty-four thousand, two hundred two".