212120020220102 has 8 divisors (see below), whose sum is σ = 321460236828696. Its totient is φ = 104966607943872.

The previous prime is 212120020220081. The next prime is 212120020220117. The reversal of 212120020220102 is 201022020021212.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546701082848 + ... + 546701083235.

It is an arithmetic number, because the mean of its divisors is an integer number (40182529603587).

Almost surely, 2^{212120020220102} is an apocalyptic number.

212120020220102 is a deficient number, since it is larger than the sum of its proper divisors (109340216608594).

212120020220102 is a wasteful number, since it uses less digits than its factorization.

212120020220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093402166182.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212120020220102 its reverse (201022020021212), we get a palindrome (413142040241314).

The spelling of 212120020220102 in words is "two hundred twelve trillion, one hundred twenty billion, twenty million, two hundred twenty thousand, one hundred two".