2132121210 has 16 divisors (see below), whose sum is σ = 5117090976. Its totient is φ = 568565648.

The previous prime is 2132121203. The next prime is 2132121221. The reversal of 2132121210 is 121212312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2132121210.

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 7 ways as a sum of consecutive naturals, for example, 35535324 + ... + 35535383.

It is an arithmetic number, because the mean of its divisors is an integer number (319818186).

Almost surely, 2^2132121210 is an apocalyptic number.

2132121210 is an abundant number, since it is smaller than the sum of its proper divisors (2984969766).

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

2132121210 is a wasteful number, since it uses less digits than its factorization.

2132121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71070717.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2132121210 is about 46174.8980507808. The cubic root of 2132121210 is about 1287.0753224059.

Adding to 2132121210 its reverse (121212312), we get a palindrome (2253333522).

The spelling of 2132121210 in words is "two billion, one hundred thirty-two million, one hundred twenty-one thousand, two hundred ten".