201002012233172 has 12 divisors (see below), whose sum is σ = 355168604140896. Its totient is φ = 99525268192920.

The previous prime is 201002012233171. The next prime is 201002012233193. The reversal of 201002012233172 is 271332210200102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201002012233171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243934480454 + ... + 243934481277.

It is an arithmetic number, because the mean of its divisors is an integer number (29597383678408).

Almost surely, 2^{201002012233172} is an apocalyptic number.

It is an amenable number.

201002012233172 is a deficient number, since it is larger than the sum of its proper divisors (154166591907724).

201002012233172 is a wasteful number, since it uses less digits than its factorization.

201002012233172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487868961838 (or 487868961836 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 201002012233172 its reverse (271332210200102), we get a palindrome (472334222433274).

The spelling of 201002012233172 in words is "two hundred one trillion, two billion, twelve million, two hundred thirty-three thousand, one hundred seventy-two".