121223113300 has 36 divisors (see below), whose sum is σ = 269470119996. Its totient is φ = 47306579200.

The previous prime is 121223113223. The next prime is 121223113327. The reversal of 121223113300 is 3311322121.

It can be written as a sum of positive squares in 6 ways, for example, as 7662201156 + 113560912144 = 87534^2 + 336988^2 .

It is a congruent number.

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, 14779207 + ... + 14787406.

It is an arithmetic number, because the mean of its divisors is an integer number (7485281111).

Almost surely, 2^121223113300 is an apocalyptic number.

121223113300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121223113300 is an abundant number, since it is smaller than the sum of its proper divisors (148247006696).

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

121223113300 is a wasteful number, since it uses less digits than its factorization.

121223113300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29566668 (or 29566661 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121223113300 its reverse (3311322121), we get a palindrome (124534435421).

The spelling of 121223113300 in words is "one hundred twenty-one billion, two hundred twenty-three million, one hundred thirteen thousand, three hundred".