212112100102 has 8 divisors (see below), whose sum is σ = 363620743056. Its totient is φ = 90905185752.

The previous prime is 212112100099. The next prime is 212112100133. The reversal of 212112100102 is 201001211212.

212112100102 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 a congruent number.

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, 7575432133 + ... + 7575432160.

It is an arithmetic number, because the mean of its divisors is an integer number (45452592882).

Almost surely, 2^212112100102 is an apocalyptic number.

212112100102 is a deficient number, since it is larger than the sum of its proper divisors (151508642954).

212112100102 is a wasteful number, since it uses less digits than its factorization.

212112100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15150864302.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212112100102 its reverse (201001211212), we get a palindrome (413113311314).

The spelling of 212112100102 in words is "two hundred twelve billion, one hundred twelve million, one hundred thousand, one hundred two".