212113232402 has 16 divisors (see below), whose sum is σ = 319626743040. Its totient is φ = 105571146768.

The previous prime is 212113232381. The next prime is 212113232411. The reversal of 212113232402 is 204232311212.

It is an unprimeable number.

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, 2808863 + ... + 2883389.

It is an arithmetic number, because the mean of its divisors is an integer number (19976671440).

Almost surely, 2^212113232402 is an apocalyptic number.

212113232402 is a deficient number, since it is larger than the sum of its proper divisors (107513510638).

212113232402 is a wasteful number, since it uses less digits than its factorization.

212113232402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81025.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 212113232402 its reverse (204232311212), we get a palindrome (416345543614).

The spelling of 212113232402 in words is "two hundred twelve billion, one hundred thirteen million, two hundred thirty-two thousand, four hundred two".