212201010012020 has 24 divisors (see below), whose sum is σ = 447356059250184. Its totient is φ = 84550130057216.

The previous prime is 212201010011987. The next prime is 212201010012091. The reversal of 212201010012020 is 20210010102212.

It can be written as a sum of positive squares in 4 ways, for example, as 70913982049936 + 141287027962084 = 8421044^2 + 11886422^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212201010011986 and 212201010012004.

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, 20642116457 + ... + 20642126736.

It is an arithmetic number, because the mean of its divisors is an integer number (18639835802091).

Almost surely, 2^{212201010012020} is an apocalyptic number.

212201010012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212201010012020 is an abundant number, since it is smaller than the sum of its proper divisors (235155049238164).

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

212201010012020 is a wasteful number, since it uses less digits than its factorization.

212201010012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41284243459 (or 41284243457 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212201010012020 its reverse (20210010102212), we get a palindrome (232411020114232).

The spelling of 212201010012020 in words is "two hundred twelve trillion, two hundred one billion, ten million, twelve thousand, twenty".