212142232 has 8 divisors (see below), whose sum is σ = 397766700. Its totient is φ = 106071112.

The previous prime is 212142223. The next prime is 212142247. The reversal of 212142232 is 232241212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13258882 + ... + 13258897.

Almost surely, 2^212142232 is an apocalyptic number.

It is an amenable number.

212142232 is a deficient number, since it is larger than the sum of its proper divisors (185624468).

212142232 is a wasteful number, since it uses less digits than its factorization.

212142232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26517785 (or 26517781 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 212142232 is about 14565.1032265480. The cubic root of 212142232 is about 596.4065136516.

Adding to 212142232 its reverse (232241212), we get a palindrome (444383444).

The spelling of 212142232 in words is "two hundred twelve million, one hundred forty-two thousand, two hundred thirty-two".