1830541212 has 18 divisors (see below), whose sum is σ = 4627201488. Its totient is φ = 610180392.

The previous prime is 1830541183. The next prime is 1830541247. The reversal of 1830541212 is 2121450381.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1830541212² = 6701762257660857888, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25424148 + ... + 25424219.

Almost surely, 2^1830541212 is an apocalyptic number.

1830541212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1830541212 is an abundant number, since it is smaller than the sum of its proper divisors (2796660276).

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

1830541212 is a wasteful number, since it uses less digits than its factorization.

1830541212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50848377 (or 50848372 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1830541212 is about 42784.8245526378. The cubic root of 1830541212 is about 1223.2817697770.

Adding to 1830541212 its reverse (2121450381), we get a palindrome (3951991593).

The spelling of 1830541212 in words is "one billion, eight hundred thirty million, five hundred forty-one thousand, two hundred twelve".