212262142 has 8 divisors (see below), whose sum is σ = 318493800. Its totient is φ = 106097544.

The previous prime is 212262137. The next prime is 212262143. The reversal of 212262142 is 241262212.

212262142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212262143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7917 + ... + 22072.

It is an arithmetic number, because the mean of its divisors is an integer number (39811725).

Almost surely, 2^212262142 is an apocalyptic number.

212262142 is a deficient number, since it is larger than the sum of its proper divisors (106231658).

212262142 is a wasteful number, since it uses less digits than its factorization.

212262142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33530.

The product of its digits is 768, while the sum is 22.

The square root of 212262142 is about 14569.2189907352. The cubic root of 212262142 is about 596.5188622308.

The spelling of 212262142 in words is "two hundred twelve million, two hundred sixty-two thousand, one hundred forty-two".