212020010102 has 4 divisors (see below), whose sum is σ = 318030015156. Its totient is φ = 106010005050.

The previous prime is 212020010101. The next prime is 212020010141. The reversal of 212020010102 is 201010020212.

It is a happy number.

212020010102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020010101) by changing a digit.

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 as a sum of consecutive naturals, namely, 53005002524 + ... + 53005002527.

It is an arithmetic number, because the mean of its divisors is an integer number (79507503789).

Almost surely, 2^212020010102 is an apocalyptic number.

212020010102 is a deficient number, since it is larger than the sum of its proper divisors (106010005054).

212020010102 is a wasteful number, since it uses less digits than its factorization.

212020010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106010005053.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 212020010102 its reverse (201010020212), we get a palindrome (413030030314).

The spelling of 212020010102 in words is "two hundred twelve billion, twenty million, ten thousand, one hundred two".