121222121203300 has 36 divisors (see below), whose sum is σ = 283286772476596. Its totient is φ = 44758937059200.

The previous prime is 121222121203247. The next prime is 121222121203331. The reversal of 121222121203300 is 3302121222121.

It can be written as a sum of positive squares in 6 ways, for example, as 17655392156224 + 103566729047076 = 4201832^2 + 10176774^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46623891471 + ... + 46623894070.

Almost surely, 2^{121222121203300} is an apocalyptic number.

121222121203300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121222121203300 is an abundant number, since it is smaller than the sum of its proper divisors (162064651273296).

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

121222121203300 is a wasteful number, since it uses less digits than its factorization.

121222121203300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93247785568 (or 93247785561 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 121222121203300 its reverse (3302121222121), we get a palindrome (124524242425421).

The spelling of 121222121203300 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred three thousand, three hundred".