212084642 has 24 divisors (see below), whose sum is σ = 403710480. Its totient is φ = 82629960.

The previous prime is 212084623. The next prime is 212084647. The reversal of 212084642 is 246480212.

It is not an unprimeable number, because it can be changed into a prime (212084647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97292 + ... + 99447.

It is an arithmetic number, because the mean of its divisors is an integer number (16821270).

Almost surely, 2^212084642 is an apocalyptic number.

212084642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212084642 is a deficient number, since it is larger than the sum of its proper divisors (191625838).

212084642 is a wasteful number, since it uses less digits than its factorization.

212084642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196766 (or 196759 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 212084642 is about 14563.1261067121. The cubic root of 212084642 is about 596.3525401778.

The spelling of 212084642 in words is "two hundred twelve million, eighty-four thousand, six hundred forty-two".