201201123121203 has 8 divisors (see below), whose sum is σ = 268268320252048. Its totient is φ = 134134004035584.

The previous prime is 201201123121157. The next prime is 201201123121213. The reversal of 201201123121203 is 302121321102102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201201123121203 - 2⁹ = 201201123120691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201201123121203.

It is not an unprimeable number, because it can be changed into a prime (201201123121213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13204750 + ... + 24015987.

It is an arithmetic number, because the mean of its divisors is an integer number (33533540031506).

Almost surely, 2^{201201123121203} is an apocalyptic number.

201201123121203 is a deficient number, since it is larger than the sum of its proper divisors (67067197130845).

201201123121203 is a wasteful number, since it uses less digits than its factorization.

201201123121203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39022613.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 201201123121203 its reverse (302121321102102), we get a palindrome (503322444223305).

The spelling of 201201123121203 in words is "two hundred one trillion, two hundred one billion, one hundred twenty-three million, one hundred twenty-one thousand, two hundred three".