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112212001001 = 47127104917921
BaseRepresentation
bin110100010000001011…
…0110100000011101001
3101201122020200021022002
41220200112310003221
53314302233013001
6123314404340345
711051501161652
oct1504026640351
9351566607262
10112212001001
1143652827211
12198b76a46b5
13a773870b39
145606ca6529
152dbb3d546b
hex1a205b40e9

112212001001 has 16 divisors (see below), whose sum is σ = 115618406400. Its totient is φ = 108849807360.

The previous prime is 112212000983. The next prime is 112212001021. The reversal of 112212001001 is 100100212211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112212001001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112212001021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6252521 + ... + 6270441.

It is an arithmetic number, because the mean of its divisors is an integer number (7226150400).

Almost surely, 2112212001001 is an apocalyptic number.

It is an amenable number.

112212001001 is a deficient number, since it is larger than the sum of its proper divisors (3406405399).

112212001001 is a wasteful number, since it uses less digits than its factorization.

112212001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19144.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 112212001001 its reverse (100100212211), we get a palindrome (212312213212).

The spelling of 112212001001 in words is "one hundred twelve billion, two hundred twelve million, one thousand, one".

Divisors: 1 47 127 1049 5969 17921 49303 133223 842287 2275967 6261481 18799129 106970449 883559063 2387489383 112212001001