212220120102 has 8 divisors (see below), whose sum is σ = 424440240216. Its totient is φ = 70740040032.

The previous prime is 212220120083. The next prime is 212220120103. The reversal of 212220120102 is 201021022212.

It is a sphenic number, since it is the product of 3 distinct primes.

212220120102 is an admirable number.

It is a super-2 number, since 2×212220120102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220120103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17685010003 + ... + 17685010014.

It is an arithmetic number, because the mean of its divisors is an integer number (53055030027).

Almost surely, 2^212220120102 is an apocalyptic number.

212220120102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212220120102 is a wasteful number, since it uses less digits than its factorization.

212220120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35370020022.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212220120102 its reverse (201021022212), we get a palindrome (413241142314).

The spelling of 212220120102 in words is "two hundred twelve billion, two hundred twenty million, one hundred twenty thousand, one hundred two".