212432102 has 16 divisors (see below), whose sum is σ = 339098400. Its totient is φ = 99462528.

The previous prime is 212432081. The next prime is 212432107. The reversal of 212432102 is 201234212.

212432102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212432107) 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, 8933 + ... + 22464.

It is an arithmetic number, because the mean of its divisors is an integer number (21193650).

Almost surely, 2^212432102 is an apocalyptic number.

212432102 is a deficient number, since it is larger than the sum of its proper divisors (126666298).

212432102 is a wasteful number, since it uses less digits than its factorization.

212432102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31615.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 212432102 is about 14575.0506688656. The cubic root of 212432102 is about 596.6780322350.

Adding to 212432102 its reverse (201234212), we get a palindrome (413666314).

The spelling of 212432102 in words is "two hundred twelve million, four hundred thirty-two thousand, one hundred two".