212013974 has 8 divisors (see below), whose sum is σ = 319669320. Its totient is φ = 105457536.

The previous prime is 212013941. The next prime is 212014001. The reversal of 212013974 is 479310212.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274244 + ... + 275015.

It is an arithmetic number, because the mean of its divisors is an integer number (39958665).

Almost surely, 2^212013974 is an apocalyptic number.

212013974 is a deficient number, since it is larger than the sum of its proper divisors (107655346).

212013974 is a wasteful number, since it uses less digits than its factorization.

212013974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549454.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 212013974 is about 14560.6996397838. The cubic root of 212013974 is about 596.2862966212.

The spelling of 212013974 in words is "two hundred twelve million, thirteen thousand, nine hundred seventy-four".