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201101211012 = 223131289110327
BaseRepresentation
bin1011101101001010010…
…0001111010110000100
3201020002002102000000110
42323102210033112010
511243323402223022
6232215024513020
720346322042512
oct2732244172604
9636062360013
10201101211012
1178317433349
1232b8447b770
1315c6b505120
149a3a4574b2
15536ee9900c
hex2ed290f584

201101211012 has 24 divisors (see below), whose sum is σ = 505331248576. Its totient is φ = 61877295648.

The previous prime is 201101210977. The next prime is 201101211023. The reversal of 201101211012 is 210112101102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644555008 + ... + 644555319.

Almost surely, 2201101211012 is an apocalyptic number.

It is an amenable number.

201101211012 is an abundant number, since it is smaller than the sum of its proper divisors (304230037564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201101211012 is a wasteful number, since it uses less digits than its factorization.

201101211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289110347 (or 1289110345 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201101211012 its reverse (210112101102), we get a palindrome (411213312114).

The spelling of 201101211012 in words is "two hundred one billion, one hundred one million, two hundred eleven thousand, twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 1289110327 2578220654 3867330981 5156441308 7734661962 15469323924 16758434251 33516868502 50275302753 67033737004 100550605506 201101211012