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12112200001 = 1117294747521
BaseRepresentation
bin10110100011111000…
…11000000101000001
31011021010020111211001
423101330120011001
5144301210400001
65321514252001
7606103000306
oct132174300501
934233214731
1012112200001
115156026150
122420427001
1311b048a365
1482c8a70ad
154ad535001
hex2d1f18141

12112200001 has 32 divisors (see below), whose sum is σ = 14781242880. Its totient is φ = 9792921600.

The previous prime is 12112199989. The next prime is 12112200013. The reversal of 12112200001 is 10000221121.

It is an interprime number because it is at equal distance from previous prime (12112199989) and next prime (12112200013).

It is not a de Polignac number, because 12112200001 - 217 = 12112068929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112200101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231121 + ... + 278641.

It is an arithmetic number, because the mean of its divisors is an integer number (461913840).

Almost surely, 212112200001 is an apocalyptic number.

12112200001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12112200001 is a deficient number, since it is larger than the sum of its proper divisors (2669042879).

12112200001 is a wasteful number, since it uses less digits than its factorization.

12112200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47625.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12112200001 its reverse (10000221121), we get a palindrome (22112421122).

The spelling of 12112200001 in words is "twelve billion, one hundred twelve million, two hundred thousand, one".

Divisors: 1 11 17 29 47 187 319 493 517 799 1363 5423 8789 14993 23171 47521 254881 522731 807857 1378109 2233487 8886427 15159199 23427853 24568357 37969279 64771123 257706383 417662069 712482353 1101109091 12112200001