121132133300 has 36 divisors (see below), whose sum is σ = 263055999276. Its totient is φ = 48416121600.

The previous prime is 121132133299. The next prime is 121132133321. The reversal of 121132133300 is 3331231121.

It can be written as a sum of positive squares in 6 ways, for example, as 14766138256 + 106365995044 = 121516^2 + 326138^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 326387 + ... + 590586.

It is an arithmetic number, because the mean of its divisors is an integer number (7307111091).

Almost surely, 2^121132133300 is an apocalyptic number.

121132133300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121132133300 is an abundant number, since it is smaller than the sum of its proper divisors (141923865976).

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

121132133300 is a wasteful number, since it uses less digits than its factorization.

121132133300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918308 (or 918301 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121132133300 its reverse (3331231121), we get a palindrome (124463364421).

The spelling of 121132133300 in words is "one hundred twenty-one billion, one hundred thirty-two million, one hundred thirty-three thousand, three hundred".