212011012102 has 24 divisors (see below), whose sum is σ = 338512260600. Its totient is φ = 99566557440.

The previous prime is 212011012033. The next prime is 212011012127. The reversal of 212011012102 is 201210110212.

212011012102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 89727 + ... + 657322.

It is an arithmetic number, because the mean of its divisors is an integer number (14104677525).

Almost surely, 2^212011012102 is an apocalyptic number.

212011012102 is a deficient number, since it is larger than the sum of its proper divisors (126501248498).

212011012102 is a wasteful number, since it uses less digits than its factorization.

212011012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747576 (or 747559 counting only the distinct ones).

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

Adding to 212011012102 its reverse (201210110212), we get a palindrome (413221122314).

The spelling of 212011012102 in words is "two hundred twelve billion, eleven million, twelve thousand, one hundred two".