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20120102020211 = 231470115950487
BaseRepresentation
bin1001001001100100100111…
…00010001010010001110011
32122020110111111121021120112
410210302103202022101303
510114121432104121321
6110443014113131535
74144425612242204
oct444622342122163
978213444537515
1020120102020211
116457984073486
12230b4b1559bab
13b2c41866b29b
144d7b64d5d5ab
1524d583c8ea5b
hex124c9388a473

20120102020211 has 8 divisors (see below), whose sum is σ = 20995035404544. Its totient is φ = 19245180830920.

The previous prime is 20120102020181. The next prime is 20120102020217. The reversal of 20120102020211 is 11202020102102.

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 20120102020211 - 210 = 20120102019187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20120102020217) 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 7 ways as a sum of consecutive naturals, for example, 406010 + ... + 6356496.

It is an arithmetic number, because the mean of its divisors is an integer number (2624379425568).

Almost surely, 220120102020211 is an apocalyptic number.

20120102020211 is a deficient number, since it is larger than the sum of its proper divisors (874933384333).

20120102020211 is a wasteful number, since it uses less digits than its factorization.

20120102020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6097521.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20120102020211 its reverse (11202020102102), we get a palindrome (31322122122313).

The spelling of 20120102020211 in words is "twenty trillion, one hundred twenty billion, one hundred two million, twenty thousand, two hundred eleven".

Divisors: 1 23 147011 3381253 5950487 136861201 874787044357 20120102020211