1830212111 has 8 divisors (see below), whose sum is σ = 2252568864. Its totient is φ = 1448079840.

The previous prime is 1830212093. The next prime is 1830212117. The reversal of 1830212111 is 1112120381.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1830212111 - 2¹⁴ = 1830195727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1830212117) 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, 10056020 + ... + 10056201.

It is an arithmetic number, because the mean of its divisors is an integer number (281571108).

Almost surely, 2^1830212111 is an apocalyptic number.

1830212111 is a deficient number, since it is larger than the sum of its proper divisors (422356753).

1830212111 is a wasteful number, since it uses less digits than its factorization.

1830212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20112241.

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 1830212111 is about 42780.9783782466. The cubic root of 1830212111 is about 1223.2084567809.

Adding to 1830212111 its reverse (1112120381), we get a palindrome (2942332492).

The spelling of 1830212111 in words is "one billion, eight hundred thirty million, two hundred twelve thousand, one hundred eleven".