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12112111210011 = 319212493179123
BaseRepresentation
bin1011000001000001001000…
…0101100000111000011011
31120212220110212002122211220
42300100102011200320123
53041421100432210021
641432121014223123
72360033256406131
oct260202205407033
946786425078756
1012112111210011
11394a79901a27a
1214374a9654aa3
1369b223400b87
142dc32d329751
151600e5546cc6
hexb0412160e1b

12112111210011 has 8 divisors (see below), whose sum is σ = 16999454329920. Its totient is φ = 7649754448392.

The previous prime is 12112111209967. The next prime is 12112111210019. The reversal of 12112111210011 is 11001211121121.

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

It is a de Polignac number, because none of the positive numbers 2k-12112111210011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12112111210019) 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, 106246589505 + ... + 106246589618.

It is an arithmetic number, because the mean of its divisors is an integer number (2124931791240).

Almost surely, 212112111210011 is an apocalyptic number.

12112111210011 is a deficient number, since it is larger than the sum of its proper divisors (4887343119909).

12112111210011 is a wasteful number, since it uses less digits than its factorization.

12112111210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212493179145.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12112111210011 its reverse (11001211121121), we get a palindrome (23113322331132).

The spelling of 12112111210011 in words is "twelve trillion, one hundred twelve billion, one hundred eleven million, two hundred ten thousand, eleven".

Divisors: 1 3 19 57 212493179123 637479537369 4037370403337 12112111210011