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12022220000 = 25547791087
BaseRepresentation
bin10110011001001010…
…01000010011100000
31011000211221001110102
423030211020103200
5144110142020000
65304541521532
7603631120040
oct131445102340
934024831412
1012022220000
11510a25890a
1223b62732a8
13119794455b
14820963720
154a56ae3d5
hex2cc9484e0

12022220000 has 240 divisors, whose sum is σ = 34261032960. Its totient is φ = 4065984000.

The previous prime is 12022219997. The next prime is 12022220003. The reversal of 12022220000 is 2222021.

It is an interprime number because it is at equal distance from previous prime (12022219997) and next prime (12022220003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11059457 + ... + 11060543.

It is an arithmetic number, because the mean of its divisors is an integer number (142754304).

Almost surely, 212022220000 is an apocalyptic number.

12022220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12022220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17130516480).

12022220000 is an abundant number, since it is smaller than the sum of its proper divisors (22238812960).

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

12022220000 is an equidigital number, since it uses as much as digits as its factorization.

12022220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203 (or 1180 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 12022220000 its reverse (2222021), we get a palindrome (12024442021).

The spelling of 12022220000 in words is "twelve billion, twenty-two million, two hundred twenty thousand".