2130213218 has 32 divisors (see below), whose sum is σ = 3827056896. Its totient is φ = 869476608.

The previous prime is 2130213199. The next prime is 2130213223. The reversal of 2130213218 is 8123120312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 2130213193 and 2130213202.

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 15 ways as a sum of consecutive naturals, for example, 60830 + ... + 89222.

It is an arithmetic number, because the mean of its divisors is an integer number (119595528).

Almost surely, 2^2130213218 is an apocalyptic number.

2130213218 is a deficient number, since it is larger than the sum of its proper divisors (1696843678).

2130213218 is a wasteful number, since it uses less digits than its factorization.

2130213218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28658.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2130213218 is about 46154.2329369691. The cubic root of 2130213218 is about 1286.6912819647.

The spelling of 2130213218 in words is "two billion, one hundred thirty million, two hundred thirteen thousand, two hundred eighteen".