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212112001001011 = 1911163789526369
BaseRepresentation
bin110000001110101000101100…
…011110001110011000110011
31000211000201011001100112002111
4300032220230132032120303
5210300220334224013021
62031042524045430151
762451405056201626
oct6016505436163063
91024021131315074
10212112001001011
11616492158a8a01
121b958887b6b357
1391480ca8b3517
143a543c0461dbd
15197c7beab68e1
hexc0ea2c78e633

212112001001011 has 4 divisors (see below), whose sum is σ = 223275790527400. Its totient is φ = 200948211474624.

The previous prime is 212112001000961. The next prime is 212112001001023. The reversal of 212112001001011 is 110100100211212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 212112001001011 - 213 = 212112000992819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212112001000982 and 212112001001000.

It is not an unprimeable number, because it can be changed into a prime (212112001004011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5581894763166 + ... + 5581894763203.

It is an arithmetic number, because the mean of its divisors is an integer number (55818947631850).

Almost surely, 2212112001001011 is an apocalyptic number.

212112001001011 is a deficient number, since it is larger than the sum of its proper divisors (11163789526389).

212112001001011 is a wasteful number, since it uses less digits than its factorization.

212112001001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11163789526388.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 212112001001011 its reverse (110100100211212), we get a palindrome (322212101212223).

The spelling of 212112001001011 in words is "two hundred twelve trillion, one hundred twelve billion, one million, one thousand, eleven".

Divisors: 1 19 11163789526369 212112001001011