212112322102 has 32 divisors (see below), whose sum is σ = 341236463040. Its totient is φ = 98660728320.

The previous prime is 212112322091. The next prime is 212112322129. The reversal of 212112322102 is 201223211212.

It is a self number, because there is not a number n which added to its sum of digits gives 212112322102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174943 + ... + 674410.

It is an arithmetic number, because the mean of its divisors is an integer number (10663639470).

Almost surely, 2^212112322102 is an apocalyptic number.

212112322102 is a deficient number, since it is larger than the sum of its proper divisors (129124140938).

212112322102 is a wasteful number, since it uses less digits than its factorization.

212112322102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849528.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212112322102 its reverse (201223211212), we get a palindrome (413335533314).

The spelling of 212112322102 in words is "two hundred twelve billion, one hundred twelve million, three hundred twenty-two thousand, one hundred two".