121223102202 has 32 divisors (see below), whose sum is σ = 269397576000. Its totient is φ = 40405765104.

The previous prime is 121223102197. The next prime is 121223102213. The reversal of 121223102202 is 202201322121.

121223102202 is a `hidden beast` number, since 1 + 212 + 231 + 0 + 220 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1491253 + ... + 1570439.

It is an arithmetic number, because the mean of its divisors is an integer number (8418674250).

Almost surely, 2^121223102202 is an apocalyptic number.

121223102202 is an abundant number, since it is smaller than the sum of its proper divisors (148174473798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121223102202 is a wasteful number, since it uses less digits than its factorization.

121223102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107547 (or 107541 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 121223102202 its reverse (202201322121), we get a palindrome (323424424323).

The spelling of 121223102202 in words is "one hundred twenty-one billion, two hundred twenty-three million, one hundred two thousand, two hundred two".