212403102 has 32 divisors (see below), whose sum is σ = 429315072. Its totient is φ = 70053984.

The previous prime is 212403067. The next prime is 212403119. The reversal of 212403102 is 201304212.

212403102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 435903 + ... + 436389.

It is an arithmetic number, because the mean of its divisors is an integer number (13416096).

Almost surely, 2^212403102 is an apocalyptic number.

212403102 is an abundant number, since it is smaller than the sum of its proper divisors (216911970).

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

212403102 is a wasteful number, since it uses less digits than its factorization.

212403102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 212403102 is about 14574.0557841666. The cubic root of 212403102 is about 596.6508793232.

Adding to 212403102 its reverse (201304212), we get a palindrome (413707314).

It can be divided in two parts, 21240 and 3102, that added together give a palindrome (24342).

The spelling of 212403102 in words is "two hundred twelve million, four hundred three thousand, one hundred two".