121340201000 has 32 divisors (see below), whose sum is σ = 283936072680. Its totient is φ = 48536080000.

The previous prime is 121340200997. The next prime is 121340201009. The reversal of 121340201000 is 102043121.

It can be written as a sum of positive squares in 4 ways, for example, as 9231750724 + 112108450276 = 96082^2 + 334826^2 .

It is not an unprimeable number, because it can be changed into a prime (121340201009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60669101 + ... + 60671100.

Almost surely, 2^121340201000 is an apocalyptic number.

121340201000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121340201000 is an abundant number, since it is smaller than the sum of its proper divisors (162595871680).

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

121340201000 is a wasteful number, since it uses less digits than its factorization.

121340201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121340222 (or 121340208 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 121340201000 its reverse (102043121), we get a palindrome (121442244121).

The spelling of 121340201000 in words is "one hundred twenty-one billion, three hundred forty million, two hundred one thousand".