2138212 has 6 divisors (see below), whose sum is σ = 3741878. Its totient is φ = 1069104.

The previous prime is 2138207. The next prime is 2138221. The reversal of 2138212 is 2128312.

It can be written as a sum of positive squares in only one way, i.e., 1653796 + 484416 = 1286^2 + 696^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2138212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267273 + ... + 267280.

2^2138212 is an apocalyptic number.

It is an amenable number.

2138212 is a deficient number, since it is larger than the sum of its proper divisors (1603666).

2138212 is a wasteful number, since it uses less digits than its factorization.

2138212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534557 (or 534555 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 2138212 is about 1462.2626303096. The cubic root of 2138212 is about 128.8299745059.

The spelling of 2138212 in words is "two million, one hundred thirty-eight thousand, two hundred twelve".