212220001210220 has 12 divisors (see below), whose sum is σ = 445662002541504. Its totient is φ = 84888000484080.

The previous prime is 212220001210117. The next prime is 212220001210247. The reversal of 212220001210220 is 22012100022212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5305500030236 + ... + 5305500030275.

It is an arithmetic number, because the mean of its divisors is an integer number (37138500211792).

Almost surely, 2^{212220001210220} is an apocalyptic number.

212220001210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212220001210220 is an abundant number, since it is smaller than the sum of its proper divisors (233442001331284).

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

212220001210220 is a wasteful number, since it uses less digits than its factorization.

212220001210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10611000060520 (or 10611000060518 counting only the distinct ones).

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

Adding to 212220001210220 its reverse (22012100022212), we get a palindrome (234232101232432).

The spelling of 212220001210220 in words is "two hundred twelve trillion, two hundred twenty billion, one million, two hundred ten thousand, two hundred twenty".