121573200133 has 24 divisors (see below), whose sum is σ = 156137254560. Its totient is φ = 93590975520.

The previous prime is 121573200127. The next prime is 121573200143. The reversal of 121573200133 is 331002375121.

It is not a de Polignac number, because 121573200133 - 2¹³ = 121573191941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121573200113) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1314018 + ... + 1403491.

It is an arithmetic number, because the mean of its divisors is an integer number (6505718940).

Almost surely, 2^121573200133 is an apocalyptic number.

It is an amenable number.

121573200133 is a deficient number, since it is larger than the sum of its proper divisors (34564054427).

121573200133 is a wasteful number, since it uses less digits than its factorization.

121573200133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717617 (or 2717610 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

Adding to 121573200133 its reverse (331002375121), we get a palindrome (452575575254).

The spelling of 121573200133 in words is "one hundred twenty-one billion, five hundred seventy-three million, two hundred thousand, one hundred thirty-three".