121320200032003 has 16 divisors (see below), whose sum is σ = 140854978034944. Its totient is φ = 102339205768800.

The previous prime is 121320200032001. The next prime is 121320200032007. The reversal of 121320200032003 is 300230002023121.

It is not a de Polignac number, because 121320200032003 - 2¹ = 121320200032001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121320200032001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122570100 + ... + 123555937.

It is an arithmetic number, because the mean of its divisors is an integer number (8803436127184).

Almost surely, 2^{121320200032003} is an apocalyptic number.

121320200032003 is a deficient number, since it is larger than the sum of its proper divisors (19534778002941).

121320200032003 is a wasteful number, since it uses less digits than its factorization.

121320200032003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246127162.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 121320200032003 its reverse (300230002023121), we get a palindrome (421550202055124).

The spelling of 121320200032003 in words is "one hundred twenty-one trillion, three hundred twenty billion, two hundred million, thirty-two thousand, three".