212201020102 has 16 divisors (see below), whose sum is σ = 323475939072. Its totient is φ = 104382108040.

The previous prime is 212201020069. The next prime is 212201020111. The reversal of 212201020102 is 201020102212.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 1533658 + ... + 1666285.

It is an arithmetic number, because the mean of its divisors is an integer number (20217246192).

Almost surely, 2^212201020102 is an apocalyptic number.

212201020102 is a deficient number, since it is larger than the sum of its proper divisors (111274918970).

212201020102 is a wasteful number, since it uses less digits than its factorization.

212201020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200483.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212201020102 its reverse (201020102212), we get a palindrome (413221122314).

It can be divided in two parts, 212 and 201020102, that multiplied together give a palindrome (42616261624).

The spelling of 212201020102 in words is "two hundred twelve billion, two hundred one million, twenty thousand, one hundred two".