212102002021112 has 32 divisors (see below), whose sum is σ = 455057888548320. Its totient is φ = 90790138308480.

The previous prime is 212102002021103. The next prime is 212102002021121. The reversal of 212102002021112 is 211120200201212.

It is an interprime number because it is at equal distance from previous prime (212102002021103) and next prime (212102002021121).

It is a super-2 number, since 2×212102002021112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2306614043 + ... + 2306705994.

It is an arithmetic number, because the mean of its divisors is an integer number (14220559017135).

Almost surely, 2^{212102002021112} is an apocalyptic number.

It is an amenable number.

212102002021112 is an abundant number, since it is smaller than the sum of its proper divisors (242955886527208).

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

212102002021112 is a wasteful number, since it uses less digits than its factorization.

212102002021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613320871 (or 4613320867 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212102002021112 its reverse (211120200201212), we get a palindrome (423222202222324).

The spelling of 212102002021112 in words is "two hundred twelve trillion, one hundred two billion, two million, twenty-one thousand, one hundred twelve".