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12204412320 = 2535311037963
BaseRepresentation
bin10110101110111000…
…01000110110100000
31011111112202101100010
423113130020312200
5144443312143240
65335010524520
7611302536012
oct132734106640
934445671303
1012204412320
1151a3088681
122447296740
1311c6605269
1483ac2c1b2
154b669c280
hex2d7708da0

12204412320 has 192 divisors, whose sum is σ = 40074338304. Its totient is φ = 3118556160.

The previous prime is 12204412277. The next prime is 12204412331. The reversal of 12204412320 is 2321440221.

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, 1528659 + ... + 1536621.

It is an arithmetic number, because the mean of its divisors is an integer number (208720512).

Almost surely, 212204412320 is an apocalyptic number.

12204412320 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 12204412320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20037169152).

12204412320 is an abundant number, since it is smaller than the sum of its proper divisors (27869925984).

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

12204412320 is a wasteful number, since it uses less digits than its factorization.

12204412320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8115 (or 8107 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12204412320 its reverse (2321440221), we get a palindrome (14525852541).

The spelling of 12204412320 in words is "twelve billion, two hundred four million, four hundred twelve thousand, three hundred twenty".