212125234 has 16 divisors (see below), whose sum is σ = 335717280. Its totient is φ = 100245600.

The previous prime is 212125229. The next prime is 212125273. The reversal of 212125234 is 432521212.

It is a happy number.

It is a super-2 number, since 2×212125234² = 89994229799109512, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10534 + ... + 23134.

It is an arithmetic number, because the mean of its divisors is an integer number (20982330).

Almost surely, 2^212125234 is an apocalyptic number.

212125234 is a deficient number, since it is larger than the sum of its proper divisors (123592046).

212125234 is a wasteful number, since it uses less digits than its factorization.

212125234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13065.

The product of its digits is 960, while the sum is 22.

The square root of 212125234 is about 14564.5196968523. The cubic root of 212125234 is about 596.3905841051.

Adding to 212125234 its reverse (432521212), we get a palindrome (644646446).

The spelling of 212125234 in words is "two hundred twelve million, one hundred twenty-five thousand, two hundred thirty-four".