2120201212212 has 288 divisors, whose sum is σ = 5701567872000. Its totient is φ = 663347543040.

The previous prime is 2120201212201. The next prime is 2120201212219. The reversal of 2120201212212 is 2122121020212.

It is a happy number.

2120201212212 is a `hidden beast` number, since 21 + 20 + 201 + 212 + 212 = 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 (2120201212219) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1627168353 + ... + 1627169655.

Almost surely, 2^{2120201212212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120201212212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2850783936000).

2120201212212 is an abundant number, since it is smaller than the sum of its proper divisors (3581366659788).

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

2120201212212 is a wasteful number, since it uses less digits than its factorization.

2120201212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711 (or 1706 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2120201212212 its reverse (2122121020212), we get a palindrome (4242322232424).

The spelling of 2120201212212 in words is "two trillion, one hundred twenty billion, two hundred one million, two hundred twelve thousand, two hundred twelve".