212134120402 has 8 divisors (see below), whose sum is σ = 328465734912. Its totient is φ = 102645542100.

The previous prime is 212134120399. The next prime is 212134120439. The reversal of 212134120402 is 204021431212.

212134120402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1710758974 + ... + 1710759097.

It is an arithmetic number, because the mean of its divisors is an integer number (41058216864).

Almost surely, 2^212134120402 is an apocalyptic number.

212134120402 is a deficient number, since it is larger than the sum of its proper divisors (116331614510).

212134120402 is a wasteful number, since it uses less digits than its factorization.

212134120402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421518104.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 212134120402 its reverse (204021431212), we get a palindrome (416155551614).

The spelling of 212134120402 in words is "two hundred twelve billion, one hundred thirty-four million, one hundred twenty thousand, four hundred two".