212012020102220 has 96 divisors (see below), whose sum is σ = 480458859552000. Its totient is φ = 78120475948800.

The previous prime is 212012020102199. The next prime is 212012020102277. The reversal of 212012020102220 is 22201020210212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3996354695 + ... + 3996407745.

It is an arithmetic number, because the mean of its divisors is an integer number (5004779787000).

Almost surely, 2^{212012020102220} is an apocalyptic number.

212012020102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212012020102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240229429776000).

212012020102220 is an abundant number, since it is smaller than the sum of its proper divisors (268446839449780).

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

212012020102220 is a wasteful number, since it uses less digits than its factorization.

212012020102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84375 (or 84373 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212012020102220 its reverse (22201020210212), we get a palindrome (234213040312432).

The spelling of 212012020102220 in words is "two hundred twelve trillion, twelve billion, twenty million, one hundred two thousand, two hundred twenty".