12201020120212 has 48 divisors (see below), whose sum is σ = 26622019170432. Its totient is φ = 4753356410880.

The previous prime is 12201020120209. The next prime is 12201020120221. The reversal of 12201020120212 is 21202102010221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3932148 + ... + 6313780.

It is an arithmetic number, because the mean of its divisors is an integer number (554625399384).

Almost surely, 2^{12201020120212} is an apocalyptic number.

It is an amenable number.

12201020120212 is an abundant number, since it is smaller than the sum of its proper divisors (14420999050220).

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

12201020120212 is a wasteful number, since it uses less digits than its factorization.

12201020120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398288 (or 2398286 counting only the distinct ones).

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

Adding to 12201020120212 its reverse (21202102010221), we get a palindrome (33403122130433).

The spelling of 12201020120212 in words is "twelve trillion, two hundred one billion, twenty million, one hundred twenty thousand, two hundred twelve".