121340411200 has 42 divisors (see below), whose sum is σ = 298573253246. Its totient is φ = 48536163840.

The previous prime is 121340411197. The next prime is 121340411207. The reversal of 121340411200 is 2114043121.

It can be written as a sum of positive squares in 3 ways, for example, as 2993402944 + 118347008256 = 54712^2 + 344016^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121340411207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37917279 + ... + 37920478.

Almost surely, 2^121340411200 is an apocalyptic number.

121340411200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121340411200 is an abundant number, since it is smaller than the sum of its proper divisors (177232842046).

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

121340411200 is an equidigital number, since it uses as much as digits as its factorization.

121340411200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75837779 (or 75837764 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121340411200 its reverse (2114043121), we get a palindrome (123454454321).

The spelling of 121340411200 in words is "one hundred twenty-one billion, three hundred forty million, four hundred eleven thousand, two hundred".