212201021001012 has 12 divisors (see below), whose sum is σ = 495135715669056. Its totient is φ = 70733673667000.

The previous prime is 212201021001007. The next prime is 212201021001029. The reversal of 212201021001012 is 210100120102212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 212201021000982 and 212201021001000.

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, 8841709208364 + ... + 8841709208387.

It is an arithmetic number, because the mean of its divisors is an integer number (41261309639088).

Almost surely, 2^{212201021001012} is an apocalyptic number.

It is an amenable number.

212201021001012 is an abundant number, since it is smaller than the sum of its proper divisors (282934694668044).

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

212201021001012 is a wasteful number, since it uses less digits than its factorization.

212201021001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17683418416758 (or 17683418416756 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212201021001012 its reverse (210100120102212), we get a palindrome (422301141103224).

The spelling of 212201021001012 in words is "two hundred twelve trillion, two hundred one billion, twenty-one million, one thousand, twelve".