2103212132 has 12 divisors (see below), whose sum is σ = 4206424320. Its totient is φ = 901376616.

The previous prime is 2103212131. The next prime is 2103212141. The reversal of 2103212132 is 2312123012.

2103212132 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2103212132.

It is not an unprimeable number, because it can be changed into a prime (2103212131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37557332 + ... + 37557387.

It is an arithmetic number, because the mean of its divisors is an integer number (350535360).

Almost surely, 2^2103212132 is an apocalyptic number.

It is an amenable number.

2103212132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2103212132 is a wasteful number, since it uses less digits than its factorization.

2103212132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75114730 (or 75114728 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2103212132 is about 45860.7907912631. The cubic root of 2103212132 is about 1281.2317513102.

Adding to 2103212132 its reverse (2312123012), we get a palindrome (4415335144).

The spelling of 2103212132 in words is "two billion, one hundred three million, two hundred twelve thousand, one hundred thirty-two".