2212213061220 has 72 divisors (see below), whose sum is σ = 6537365420544. Its totient is φ = 558874873152.

The previous prime is 2212213061213. The next prime is 2212213061221. The reversal of 2212213061220 is 221603122122.

It is not an unprimeable number, because it can be changed into a prime (2212213061221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51045124 + ... + 51088443.

It is an arithmetic number, because the mean of its divisors is an integer number (90796741952).

Almost surely, 2^{2212213061220} is an apocalyptic number.

2212213061220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212213061220 is an abundant number, since it is smaller than the sum of its proper divisors (4325152359324).

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

2212213061220 is a wasteful number, since it uses less digits than its factorization.

2212213061220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102133617 (or 102133596 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 2212213061220 its reverse (221603122122), we get a palindrome (2433816183342).

The spelling of 2212213061220 in words is "two trillion, two hundred twelve billion, two hundred thirteen million, sixty-one thousand, two hundred twenty".