212412331402 has 8 divisors (see below), whose sum is σ = 320647914756. Its totient is φ = 105529693152.

The previous prime is 212412331399. The next prime is 212412331403. The reversal of 212412331402 is 204133214212.

212412331402 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 205325890641 + 7086440761 = 453129^2 + 84181^2 .

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

It is not an unprimeable number, because it can be changed into a prime (212412331403) by changing a digit.

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, 338235883 + ... + 338236510.

Almost surely, 2^212412331402 is an apocalyptic number.

212412331402 is a deficient number, since it is larger than the sum of its proper divisors (108235583354).

212412331402 is a wasteful number, since it uses less digits than its factorization.

212412331402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676472552.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 212412331402 its reverse (204133214212), we get a palindrome (416545545614).

The spelling of 212412331402 in words is "two hundred twelve billion, four hundred twelve million, three hundred thirty-one thousand, four hundred two".