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12011210000101 = 13923939230777
BaseRepresentation
bin1010111011001001001111…
…1001111100011011100101
31120112021000212200010000101
42232302103321330123211
53033242424230000401
641313512415144101
72346531660312364
oct256622371743345
946467025603011
1012011210000101
113910a1aa058a4
12141ba29b15031
13691862c93140
142d74ba7157db
1515c68c142101
hexaec93e7c6e5

12011210000101 has 4 divisors (see below), whose sum is σ = 12935149230892. Its totient is φ = 11087270769312.

The previous prime is 12011210000071. The next prime is 12011210000171. The reversal of 12011210000101 is 10100001211021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7450721619201 + 4560488380900 = 2729601^2 + 2135530^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011210000101 - 29 = 12011209999589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011210000171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461969615376 + ... + 461969615401.

It is an arithmetic number, because the mean of its divisors is an integer number (3233787307723).

Almost surely, 212011210000101 is an apocalyptic number.

It is an amenable number.

12011210000101 is a deficient number, since it is larger than the sum of its proper divisors (923939230791).

12011210000101 is an equidigital number, since it uses as much as digits as its factorization.

12011210000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923939230790.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12011210000101 its reverse (10100001211021), we get a palindrome (22111211211122).

The spelling of 12011210000101 in words is "twelve trillion, eleven billion, two hundred ten million, one hundred one", and thus it is an aban number.

Divisors: 1 13 923939230777 12011210000101