212432030 has 16 divisors (see below), whose sum is σ = 384096384. Its totient is φ = 84590880.

The previous prime is 212432021. The next prime is 212432039. The reversal of 212432030 is 30234212.

It is an interprime number because it is at equal distance from previous prime (212432021) and next prime (212432039).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212432039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45401 + ... + 49860.

It is an arithmetic number, because the mean of its divisors is an integer number (24006024).

Almost surely, 2^212432030 is an apocalyptic number.

212432030 is a deficient number, since it is larger than the sum of its proper divisors (171664354).

212432030 is a wasteful number, since it uses less digits than its factorization.

212432030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95491.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 212432030 is about 14575.0481988911. The cubic root of 212432030 is about 596.6779648239.

Adding to 212432030 its reverse (30234212), we get a palindrome (242666242).

The spelling of 212432030 in words is "two hundred twelve million, four hundred thirty-two thousand, thirty".