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12112010122331 = 71730287160333
BaseRepresentation
bin1011000001000000110000…
…0011111001010001011011
31120212220012210212212121202
42300100030003321101123
53041420344042403311
641432103003424415
72360030621233640
oct260201403712133
946786183785552
1012112010122331
11394a746a55639
12143747b82510b
1369b208499292
142dc31db33dc7
151600db729e3b
hexb040c0f945b

12112010122331 has 4 divisors (see below), whose sum is σ = 13842297282672. Its totient is φ = 10381722961992.

The previous prime is 12112010122291. The next prime is 12112010122337. The reversal of 12112010122331 is 13322101021121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12112010122331 - 214 = 12112010105947 is a prime.

It is a super-2 number, since 2×121120101223312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112010122337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865143580160 + ... + 865143580173.

It is an arithmetic number, because the mean of its divisors is an integer number (3460574320668).

Almost surely, 212112010122331 is an apocalyptic number.

12112010122331 is a deficient number, since it is larger than the sum of its proper divisors (1730287160341).

12112010122331 is an equidigital number, since it uses as much as digits as its factorization.

12112010122331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730287160340.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12112010122331 its reverse (13322101021121), we get a palindrome (25434111143452).

The spelling of 12112010122331 in words is "twelve trillion, one hundred twelve billion, ten million, one hundred twenty-two thousand, three hundred thirty-one".

Divisors: 1 7 1730287160333 12112010122331