121223224202 has 8 divisors (see below), whose sum is σ = 181878132612. Its totient is φ = 60597180000.

The previous prime is 121223224201. The next prime is 121223224219. The reversal of 121223224202 is 202422322121.

It can be written as a sum of positive squares in 2 ways, for example, as 119509181401 + 1714042801 = 345701^2 + 41401^2 .

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

It is not an unprimeable number, because it can be changed into a prime (121223224201) 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, 7205549 + ... + 7222352.

Almost surely, 2^121223224202 is an apocalyptic number.

121223224202 is a deficient number, since it is larger than the sum of its proper divisors (60654908410).

121223224202 is a wasteful number, since it uses less digits than its factorization.

121223224202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14432104.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 121223224202 its reverse (202422322121), we get a palindrome (323645546323).

The spelling of 121223224202 in words is "one hundred twenty-one billion, two hundred twenty-three million, two hundred twenty-four thousand, two hundred two".