212430926 has 4 divisors (see below), whose sum is σ = 318646392. Its totient is φ = 106215462.

The previous prime is 212430923. The next prime is 212430931. The reversal of 212430926 is 629034212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212430923) by changing a digit.

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 as a sum of consecutive naturals, namely, 53107730 + ... + 53107733.

It is an arithmetic number, because the mean of its divisors is an integer number (79661598).

Almost surely, 2^212430926 is an apocalyptic number.

212430926 is a deficient number, since it is larger than the sum of its proper divisors (106215466).

212430926 is a wasteful number, since it uses less digits than its factorization.

212430926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106215465.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 212430926 is about 14575.0103258969. The cubic root of 212430926 is about 596.6769311857.

The spelling of 212430926 in words is "two hundred twelve million, four hundred thirty thousand, nine hundred twenty-six".