212539954 has 8 divisors (see below), whose sum is σ = 347792688. Its totient is φ = 96609060.

The previous prime is 212539931. The next prime is 212539993. The reversal of 212539954 is 459935212.

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

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, 4830432 + ... + 4830475.

It is an arithmetic number, because the mean of its divisors is an integer number (43474086).

Almost surely, 2^212539954 is an apocalyptic number.

212539954 is a deficient number, since it is larger than the sum of its proper divisors (135252734).

212539954 is a wasteful number, since it uses less digits than its factorization.

212539954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9660920.

The product of its digits is 97200, while the sum is 40.

The square root of 212539954 is about 14578.7500835977. The cubic root of 212539954 is about 596.7789931709.

The spelling of 212539954 in words is "two hundred twelve million, five hundred thirty-nine thousand, nine hundred fifty-four".