212201011212102 has 96 divisors (see below), whose sum is σ = 502634406343680. Its totient is φ = 64166376375360.

The previous prime is 212201011212089. The next prime is 212201011212107. The reversal of 212201011212102 is 201212110102212.

212201011212102 is a `hidden beast` number, since 212 + 20 + 101 + 121 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201011212107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4308362908 + ... + 4308412160.

It is an arithmetic number, because the mean of its divisors is an integer number (5235775066080).

Almost surely, 2^{212201011212102} is an apocalyptic number.

212201011212102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212201011212102 is an abundant number, since it is smaller than the sum of its proper divisors (290433395131578).

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

212201011212102 is a wasteful number, since it uses less digits than its factorization.

212201011212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95178 (or 95175 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212201011212102 its reverse (201212110102212), we get a palindrome (413413121314314).

The spelling of 212201011212102 in words is "two hundred twelve trillion, two hundred one billion, eleven million, two hundred twelve thousand, one hundred two".