121123321300 has 36 divisors (see below), whose sum is σ = 262852926336. Its totient is φ = 48446504800.

The previous prime is 121123321273. The next prime is 121123321307. The reversal of 121123321300 is 3123321121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121123321307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2920509 + ... + 2961691.

It is an arithmetic number, because the mean of its divisors is an integer number (7301470176).

Almost surely, 2^121123321300 is an apocalyptic number.

121123321300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121123321300 is an abundant number, since it is smaller than the sum of its proper divisors (141729605036).

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

121123321300 is a wasteful number, since it uses less digits than its factorization.

121123321300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70608 (or 70601 counting only the distinct ones).

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

Adding to 121123321300 its reverse (3123321121), we get a palindrome (124246642421).

The spelling of 121123321300 in words is "one hundred twenty-one billion, one hundred twenty-three million, three hundred twenty-one thousand, three hundred".