212433402 has 16 divisors (see below), whose sum is σ = 425018880. Its totient is φ = 70785792.

The previous prime is 212433383. The next prime is 212433407. The reversal of 212433402 is 204334212.

It is not an unprimeable number, because it can be changed into a prime (212433407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20698 + ... + 29210.

It is an arithmetic number, because the mean of its divisors is an integer number (26563680).

Almost surely, 2^212433402 is an apocalyptic number.

212433402 is an abundant number, since it is smaller than the sum of its proper divisors (212585478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212433402 is a wasteful number, since it uses less digits than its factorization.

212433402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12677.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 212433402 is about 14575.0952655549. The cubic root of 212433402 is about 596.6792493766.

Adding to 212433402 its reverse (204334212), we get a palindrome (416767614).

The spelling of 212433402 in words is "two hundred twelve million, four hundred thirty-three thousand, four hundred two".