2212001303220 has 72 divisors (see below), whose sum is σ = 6747221950560. Its totient is φ = 586571659200.

The previous prime is 2212001303201. The next prime is 2212001303221. The reversal of 2212001303220 is 223031002122.

2212001303220 is a `hidden beast` number, since 2 + 212 + 0 + 0 + 130 + 322 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2212001303193 and 2212001303202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212001303221) 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, 34294306 + ... + 34358745.

It is an arithmetic number, because the mean of its divisors is an integer number (93711415980).

Almost surely, 2^{2212001303220} is an apocalyptic number.

2212001303220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212001303220 is an abundant number, since it is smaller than the sum of its proper divisors (4535220647340).

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

2212001303220 is a wasteful number, since it uses less digits than its factorization.

2212001303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68653245 (or 68653240 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2212001303220 its reverse (223031002122), we get a palindrome (2435032305342).

The spelling of 2212001303220 in words is "two trillion, two hundred twelve billion, one million, three hundred three thousand, two hundred twenty".