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12112131110 = 251211213111
BaseRepresentation
bin10110100011111000…
…00111010000100110
31011021010010000022112
423101330013100212
5144301201143420
65321513001022
7606102262412
oct132174072046
934233100275
1012112131110
115155a89412
1224203b3172
1311b0464bb1
1482c889d42
154ad51e8c5
hex2d1f07426

12112131110 has 8 divisors (see below), whose sum is σ = 21801836016. Its totient is φ = 4844852440.

The previous prime is 12112131089. The next prime is 12112131133. The reversal of 12112131110 is 1113121121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605606546 + ... + 605606565.

It is an arithmetic number, because the mean of its divisors is an integer number (2725229502).

Almost surely, 212112131110 is an apocalyptic number.

12112131110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112131110 is a deficient number, since it is larger than the sum of its proper divisors (9689704906).

12112131110 is a wasteful number, since it uses less digits than its factorization.

12112131110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211213118.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 12112131110 its reverse (1113121121), we get a palindrome (13225252231).

The spelling of 12112131110 in words is "twelve billion, one hundred twelve million, one hundred thirty-one thousand, one hundred ten".

Divisors: 1 2 5 10 1211213111 2422426222 6056065555 12112131110