202220021212112 has 160 divisors (see below), whose sum is σ = 409553124065280. Its totient is φ = 96607476725760.

The previous prime is 202220021212091. The next prime is 202220021212301. The reversal of 202220021212112 is 211212120022202.

It is a congruent 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, 32918769713 + ... + 32918775855.

It is an arithmetic number, because the mean of its divisors is an integer number (2559707025408).

Almost surely, 2^{202220021212112} 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 202220021212112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204776562032640).

202220021212112 is an abundant number, since it is smaller than the sum of its proper divisors (207333102853168).

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

202220021212112 is a wasteful number, since it uses less digits than its factorization.

202220021212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8101 (or 8095 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202220021212112 its reverse (211212120022202), we get a palindrome (413432141234314).

The spelling of 202220021212112 in words is "two hundred two trillion, two hundred twenty billion, twenty-one million, two hundred twelve thousand, one hundred twelve".