12202120212 has 12 divisors (see below), whose sum is σ = 28471613856. Its totient is φ = 4067373400.

The previous prime is 12202120201. The next prime is 12202120237. The reversal of 12202120212 is 21202120221.

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 = 12202120191 and 12202120200.

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, 508421664 + ... + 508421687.

It is an arithmetic number, because the mean of its divisors is an integer number (2372634488).

Almost surely, 2^12202120212 is an apocalyptic number.

12202120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12202120212 is an abundant number, since it is smaller than the sum of its proper divisors (16269493644).

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

12202120212 is a wasteful number, since it uses less digits than its factorization.

12202120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016843358 (or 1016843356 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12202120212 its reverse (21202120221), we get a palindrome (33404240433).

Subtracting 12202120212 from its reverse (21202120221), we obtain a palindrome (9000000009).

The spelling of 12202120212 in words is "twelve billion, two hundred two million, one hundred twenty thousand, two hundred twelve".