121123132300000 has 288 divisors, whose sum is σ = 314735907800160. Its totient is φ = 45754272000000.

The previous prime is 121123132299907. The next prime is 121123132300033. The reversal of 121123132300000 is 3231321121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 602199450 + ... + 602400550.

It is an arithmetic number, because the mean of its divisors is an integer number (1092833013195).

Almost surely, 2^{121123132300000} is an apocalyptic number.

121123132300000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121123132300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157367953900080).

121123132300000 is an abundant number, since it is smaller than the sum of its proper divisors (193612775500160).

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

121123132300000 is an equidigital number, since it uses as much as digits as its factorization.

121123132300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201472 (or 201444 counting only the distinct ones).

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

Adding to 121123132300000 its reverse (3231321121), we get a palindrome (121126363621121).

The spelling of 121123132300000 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, one hundred thirty-two million, three hundred thousand".