12020202212202 has 128 divisors (see below), whose sum is σ = 27327620920320. Its totient is φ = 3915207990720.

The previous prime is 12020202212173. The next prime is 12020202212203. The reversal of 12020202212202 is 20221220202021.

12020202212202 is a `hidden beast` number, since 1 + 20 + 202 + 0 + 221 + 220 + 2 = 666.

It is a super-2 number, since 2×12020202212202² (a number of 27 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (12020202212203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2299634313 + ... + 2299639539.

It is an arithmetic number, because the mean of its divisors is an integer number (213497038440).

Almost surely, 2^{12020202212202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12020202212202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13663810460160).

12020202212202 is an abundant number, since it is smaller than the sum of its proper divisors (15307418708118).

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

12020202212202 is a wasteful number, since it uses less digits than its factorization.

12020202212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9745 (or 9739 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12020202212202 its reverse (20221220202021), we get a palindrome (32241422414223).

The spelling of 12020202212202 in words is "twelve trillion, twenty billion, two hundred two million, two hundred twelve thousand, two hundred two".