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12112101310 = 251637430737
BaseRepresentation
bin10110100011110111…
…11111111110111110
31011021010001111102211
423101323333332332
5144301144220220
65321512211034
7606102106501
oct132173777676
934233044384
1012112101310
115155a68a91
122420399a7a
1311b045446a
1482c87d138
154ad515b5a
hex2d1efffbe

12112101310 has 16 divisors (see below), whose sum is σ = 21935538576. Its totient is φ = 4815116928.

The previous prime is 12112101283. The next prime is 12112101317. The reversal of 12112101310 is 1310121121.

It is a happy number.

It is a super-2 number, since 2×121121013102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112101317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3713739 + ... + 3716998.

It is an arithmetic number, because the mean of its divisors is an integer number (1370971161).

Almost surely, 212112101310 is an apocalyptic number.

12112101310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112101310 is a deficient number, since it is larger than the sum of its proper divisors (9823437266).

12112101310 is a wasteful number, since it uses less digits than its factorization.

12112101310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7430907.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12112101310 its reverse (1310121121), we get a palindrome (13422222431).

The spelling of 12112101310 in words is "twelve billion, one hundred twelve million, one hundred one thousand, three hundred ten".

Divisors: 1 2 5 10 163 326 815 1630 7430737 14861474 37153685 74307370 1211210131 2422420262 6056050655 12112101310