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12112300313131 = 29417665528039
BaseRepresentation
bin1011000001000001110101…
…0110111000101000101011
31120212220222000221002120011
42300100131112320220223
53041421442340010011
641432151451312351
72360041043640154
oct260203526705053
946786860832504
1012112300313131
11394a88583a247
121437540a4b6b7
1369b253641305
142dc34a4b292b
15160106e4c621
hexb041d5b8a2b

12112300313131 has 4 divisors (see below), whose sum is σ = 12529965841200. Its totient is φ = 11694634785064.

The previous prime is 12112300313123. The next prime is 12112300313161. The reversal of 12112300313131 is 13131300321121.

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 12112300313131 - 23 = 12112300313123 is a prime.

It is a super-2 number, since 2×121123003131312 (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 (12112300313101) 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, 208832763991 + ... + 208832764048.

It is an arithmetic number, because the mean of its divisors is an integer number (3132491460300).

Almost surely, 212112300313131 is an apocalyptic number.

12112300313131 is a deficient number, since it is larger than the sum of its proper divisors (417665528069).

12112300313131 is an equidigital number, since it uses as much as digits as its factorization.

12112300313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417665528068.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 12112300313131 its reverse (13131300321121), we get a palindrome (25243600634252).

The spelling of 12112300313131 in words is "twelve trillion, one hundred twelve billion, three hundred million, three hundred thirteen thousand, one hundred thirty-one".

Divisors: 1 29 417665528039 12112300313131