212112232102 has 16 divisors (see below), whose sum is σ = 323811892800. Its totient is φ = 104177721960.

The previous prime is 212112232099. The next prime is 212112232109. The reversal of 212112232102 is 201232211212.

It is a self number, because there is not a number n which added to its sum of digits gives 212112232102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112232109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543852 + ... + 848527.

It is an arithmetic number, because the mean of its divisors is an integer number (20238243300).

Almost surely, 2^212112232102 is an apocalyptic number.

212112232102 is a deficient number, since it is larger than the sum of its proper divisors (111699660698).

212112232102 is a wasteful number, since it uses less digits than its factorization.

212112232102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393731.

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

Adding to 212112232102 its reverse (201232211212), we get a palindrome (413344443314).

The spelling of 212112232102 in words is "two hundred twelve billion, one hundred twelve million, two hundred thirty-two thousand, one hundred two".