212124098 has 4 divisors (see below), whose sum is σ = 318186150. Its totient is φ = 106062048.

The previous prime is 212124053. The next prime is 212124109. The reversal of 212124098 is 890421212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 192737689 + 19386409 = 13883^2 + 4403^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212124098.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53031023 + ... + 53031026.

Almost surely, 2^212124098 is an apocalyptic number.

212124098 is a deficient number, since it is larger than the sum of its proper divisors (106062052).

212124098 is a wasteful number, since it uses less digits than its factorization.

212124098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106062051.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 212124098 is about 14564.4806979171. The cubic root of 212124098 is about 596.3895194810.

The spelling of 212124098 in words is "two hundred twelve million, one hundred twenty-four thousand, ninety-eight".