220033001220312 has 128 divisors (see below), whose sum is σ = 632889061539840. Its totient is φ = 62444316355200.

The previous prime is 220033001220299. The next prime is 220033001220323. The reversal of 220033001220312 is 213022100330022.

It is a happy number.

It is a super-2 number, since 2×220033001220312² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 270702013 + ... + 271513619.

It is an arithmetic number, because the mean of its divisors is an integer number (4944445793280).

Almost surely, 2^{220033001220312} 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 220033001220312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316444530769920).

220033001220312 is an abundant number, since it is smaller than the sum of its proper divisors (412856060319528).

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

220033001220312 is a wasteful number, since it uses less digits than its factorization.

220033001220312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822461 (or 822457 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 220033001220312 its reverse (213022100330022), we get a palindrome (433055101550334).

The spelling of 220033001220312 in words is "two hundred twenty trillion, thirty-three billion, one million, two hundred twenty thousand, three hundred twelve".