2123210132 has 12 divisors (see below), whose sum is σ = 3877166496. Its totient is φ = 1015448280.

The previous prime is 2123210129. The next prime is 2123210137. The reversal of 2123210132 is 2310123212.

It is a self number, because there is not a number n which added to its sum of digits gives 2123210132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123210137) 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, 11539094 + ... + 11539277.

It is an arithmetic number, because the mean of its divisors is an integer number (323097208).

Almost surely, 2^2123210132 is an apocalyptic number.

It is an amenable number.

2123210132 is a deficient number, since it is larger than the sum of its proper divisors (1753956364).

2123210132 is a wasteful number, since it uses less digits than its factorization.

2123210132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23078398 (or 23078396 counting only the distinct ones).

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

The square root of 2123210132 is about 46078.3043524824. The cubic root of 2123210132 is about 1285.2797327888.

Adding to 2123210132 its reverse (2310123212), we get a palindrome (4433333344).

The spelling of 2123210132 in words is "two billion, one hundred twenty-three million, two hundred ten thousand, one hundred thirty-two".