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12112111012201 = 411619182469019
BaseRepresentation
bin1011000001000001001000…
…0100110000100101101001
31120212220110211201121111121
42300100102010300211221
53041421100404342301
641432121010055241
72360033254623334
oct260202204604551
946786424647447
1012112111012201
11394a7989a46a2
1214374a957a521
1369b223361b25
142dc32d2b761b
151600e55083a1
hexb0412130969

12112111012201 has 8 divisors (see below), whose sum is σ = 12415192120800. Its totient is φ = 11809394844960.

The previous prime is 12112111012193. The next prime is 12112111012223. The reversal of 12112111012201 is 10221011121121.

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

It is a cyclic number.

It is not a de Polignac number, because 12112111012201 - 23 = 12112111012193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112111015201) 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, 91168131 + ... + 91300888.

It is an arithmetic number, because the mean of its divisors is an integer number (1551899015100).

Almost surely, 212112111012201 is an apocalyptic number.

It is an amenable number.

12112111012201 is a deficient number, since it is larger than the sum of its proper divisors (303081108599).

12112111012201 is a wasteful number, since it uses less digits than its factorization.

12112111012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182470679.

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

Adding to 12112111012201 its reverse (10221011121121), we get a palindrome (22333122133322).

The spelling of 12112111012201 in words is "twelve trillion, one hundred twelve billion, one hundred eleven million, twelve thousand, two hundred one".

Divisors: 1 41 1619 66379 182469019 7481229779 295417341761 12112111012201