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12220200022 = 26110100011
BaseRepresentation
bin10110110000110000…
…10111010001010110
31011112122110110222211
423120120113101112
5200011332400042
65340333144034
7611553662212
oct133030272126
934478413884
1012220200022
115200a91168
12245062b01a
1311c99722b4
1483cd7b942
154b7c6a017
hex2d8617456

12220200022 has 4 divisors (see below), whose sum is σ = 18330300036. Its totient is φ = 6110100010.

The previous prime is 12220200017. The next prime is 12220200023. The reversal of 12220200022 is 22000202221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22000202221 = 31249704029.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12220199975 and 12220200011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220200023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055050004 + ... + 3055050007.

It is an arithmetic number, because the mean of its divisors is an integer number (4582575009).

Almost surely, 212220200022 is an apocalyptic number.

12220200022 is a deficient number, since it is larger than the sum of its proper divisors (6110100014).

12220200022 is an equidigital number, since it uses as much as digits as its factorization.

12220200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110100013.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 12220200022 its reverse (22000202221), we get a palindrome (34220402243).

The spelling of 12220200022 in words is "twelve billion, two hundred twenty million, two hundred thousand, twenty-two".

Divisors: 1 2 6110100011 12220200022