212074018 has 16 divisors (see below), whose sum is σ = 347409216. Its totient is φ = 96500880.

The previous prime is 212073943. The next prime is 212074033. The reversal of 212074018 is 810470212.

It is a happy number.

It is a super-2 number, since 2×212074018² = 89950778221328648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212073983 and 212074001.

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, 55596 + ... + 59287.

It is an arithmetic number, because the mean of its divisors is an integer number (21713076).

Almost surely, 2^212074018 is an apocalyptic number.

212074018 is a deficient number, since it is larger than the sum of its proper divisors (135335198).

212074018 is a wasteful number, since it uses less digits than its factorization.

212074018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114969.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 212074018 is about 14562.7613452944. The cubic root of 212074018 is about 596.3425822743.

The spelling of 212074018 in words is "two hundred twelve million, seventy-four thousand, eighteen".