212101200120220 has 12 divisors (see below), whose sum is σ = 445412520252504. Its totient is φ = 84840480048080.

The previous prime is 212101200120209. The next prime is 212101200120233. The reversal of 212101200120220 is 22021002101212.

It is a happy number.

It is a super-2 number, since 2×212101200120220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212101200120194 and 212101200120203.

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, 5302530002986 + ... + 5302530003025.

It is an arithmetic number, because the mean of its divisors is an integer number (37117710021042).

Almost surely, 2^{212101200120220} is an apocalyptic number.

212101200120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212101200120220 is an abundant number, since it is smaller than the sum of its proper divisors (233311320132284).

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

212101200120220 is a wasteful number, since it uses less digits than its factorization.

212101200120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10605060006020 (or 10605060006018 counting only the distinct ones).

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

Adding to 212101200120220 its reverse (22021002101212), we get a palindrome (234122202221432).

The spelling of 212101200120220 in words is "two hundred twelve trillion, one hundred one billion, two hundred million, one hundred twenty thousand, two hundred twenty".