201012204321 has 24 divisors (see below), whose sum is σ = 311134430880. Its totient is φ = 124605714816.

The previous prime is 201012204313. The next prime is 201012204329. The reversal of 201012204321 is 123402210102.

It is a happy number.

201012204321 is a `hidden beast` number, since 2 + 0 + 10 + 1 + 220 + 432 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (201012204313) and next prime (201012204329).

It is not a de Polignac number, because 201012204321 - 2³ = 201012204313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201012204294 and 201012204303.

It is not an unprimeable number, because it can be changed into a prime (201012204329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7901791 + ... + 7927188.

It is an arithmetic number, because the mean of its divisors is an integer number (12963934620).

Almost surely, 2^201012204321 is an apocalyptic number.

It is an amenable number.

201012204321 is a deficient number, since it is larger than the sum of its proper divisors (110122226559).

201012204321 is a wasteful number, since it uses less digits than its factorization.

201012204321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15829085 (or 15829082 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 201012204321 its reverse (123402210102), we get a palindrome (324414414423).

The spelling of 201012204321 in words is "two hundred one billion, twelve million, two hundred four thousand, three hundred twenty-one".