201320123200 has 84 divisors (see below), whose sum is σ = 566140977952. Its totient is φ = 69024038400.

The previous prime is 201320123101. The next prime is 201320123227. The reversal of 201320123200 is 2321023102.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8976306 + ... + 8998705.

Almost surely, 2^201320123200 is an apocalyptic number.

201320123200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201320123200 is an abundant number, since it is smaller than the sum of its proper divisors (364820854752).

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

201320123200 is a wasteful number, since it uses less digits than its factorization.

201320123200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17975040 (or 17975025 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 201320123200 its reverse (2321023102), we get a palindrome (203641146302).

The spelling of 201320123200 in words is "two hundred one billion, three hundred twenty million, one hundred twenty-three thousand, two hundred".