212838292 has 6 divisors (see below), whose sum is σ = 372467018. Its totient is φ = 106419144.

The previous prime is 212838271. The next prime is 212838293. The reversal of 212838292 is 292838212.

It can be written as a sum of positive squares in only one way, i.e., 182412036 + 30426256 = 13506^2 + 5516^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212838293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26604783 + ... + 26604790.

Almost surely, 2^212838292 is an apocalyptic number.

It is an amenable number.

212838292 is a deficient number, since it is larger than the sum of its proper divisors (159628726).

212838292 is a wasteful number, since it uses less digits than its factorization.

212838292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53209577 (or 53209575 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 212838292 is about 14588.9784426464. The cubic root of 212838292 is about 597.0580914585.

The spelling of 212838292 in words is "two hundred twelve million, eight hundred thirty-eight thousand, two hundred ninety-two".