201612830 has 8 divisors (see below), whose sum is σ = 362903112. Its totient is φ = 80645128.

The previous prime is 201612811. The next prime is 201612833. The reversal of 201612830 is 38216102.

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

It is a junction number, because it is equal to n+sod(n) for n = 201612796 and 201612805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201612833) 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, 10080632 + ... + 10080651.

It is an arithmetic number, because the mean of its divisors is an integer number (45362889).

Almost surely, 2^201612830 is an apocalyptic number.

201612830 is a deficient number, since it is larger than the sum of its proper divisors (161290282).

201612830 is a wasteful number, since it uses less digits than its factorization.

201612830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20161290.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 201612830 is about 14199.0432776297. The cubic root of 201612830 is about 586.3713220845.

Adding to 201612830 its reverse (38216102), we get a palindrome (239828932).

The spelling of 201612830 in words is "two hundred one million, six hundred twelve thousand, eight hundred thirty".