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12112212310 = 2511110111021
BaseRepresentation
bin10110100011111000…
…11011000101010110
31011021010021010200221
423101330123011112
5144301211243220
65321514424554
7606103051222
oct132174330526
934233233627
1012112212310
115156034420
12242043215a
1311b0492b43
1482c8ab782
154ad5389aa
hex2d1f1b156

12112212310 has 16 divisors (see below), whose sum is σ = 23783980752. Its totient is φ = 4404440800.

The previous prime is 12112212289. The next prime is 12112212331. The reversal of 12112212310 is 1321221121.

It is an interprime number because it is at equal distance from previous prime (12112212289) and next prime (12112212331).

It is a super-2 number, since 2×121122123102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55055401 + ... + 55055620.

It is an arithmetic number, because the mean of its divisors is an integer number (1486498797).

Almost surely, 212112212310 is an apocalyptic number.

12112212310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112212310 is a deficient number, since it is larger than the sum of its proper divisors (11671768442).

12112212310 is a wasteful number, since it uses less digits than its factorization.

12112212310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110111039.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12112212310 its reverse (1321221121), we get a palindrome (13433433431).

It can be divided in two parts, 12112 and 212310, that added together give a palindrome (224422).

The spelling of 12112212310 in words is "twelve billion, one hundred twelve million, two hundred twelve thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 55 110 110111021 220222042 550555105 1101110210 1211221231 2422442462 6056106155 12112212310