212120020012102 has 8 divisors (see below), whose sum is σ = 336896502372216. Its totient is φ = 99821185888032.

The previous prime is 212120020012099. The next prime is 212120020012129. The reversal of 212120020012102 is 201210020021212.

It is a happy number.

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, 3119412058968 + ... + 3119412059035.

It is an arithmetic number, because the mean of its divisors is an integer number (42112062796527).

Almost surely, 2^{212120020012102} is an apocalyptic number.

212120020012102 is a deficient number, since it is larger than the sum of its proper divisors (124776482360114).

212120020012102 is a wasteful number, since it uses less digits than its factorization.

212120020012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6238824118022.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212120020012102 its reverse (201210020021212), we get a palindrome (413330040033314).

The spelling of 212120020012102 in words is "two hundred twelve trillion, one hundred twenty billion, twenty million, twelve thousand, one hundred two".