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2012100212001 = 31188496890353
BaseRepresentation
bin11101010001111010100…
…001001011010100100001
321010100120201112022100010
4131101322201023110201
5230431240123241001
64140202430315133
7265240501416045
oct35217241132441
97110521468303
102012100212001
117063661291a0
12285b60358aa9
131179813b5029
146d559916025
15375154458d6
hex1d47a84b521

2012100212001 has 16 divisors (see below), whose sum is σ = 2927022379200. Its totient is φ = 1219316689920.

The previous prime is 2012100211963. The next prime is 2012100212009. The reversal of 2012100212001 is 1002120012102.

It is not a de Polignac number, because 2012100212001 - 26 = 2012100211937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2012100212009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3153160 + ... + 3737193.

It is an arithmetic number, because the mean of its divisors is an integer number (182938898700).

Almost surely, 22012100212001 is an apocalyptic number.

It is an amenable number.

2012100212001 is a deficient number, since it is larger than the sum of its proper divisors (914922167199).

2012100212001 is a wasteful number, since it uses less digits than its factorization.

2012100212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6899216.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2012100212001 its reverse (1002120012102), we get a palindrome (3014220224103).

The spelling of 2012100212001 in words is "two trillion, twelve billion, one hundred million, two hundred twelve thousand, one".

Divisors: 1 3 11 33 8849 26547 97339 292017 6890353 20671059 75793883 227381649 60972733697 182918201091 670700070667 2012100212001