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12011222301 = 313595220001
BaseRepresentation
bin10110010111110110…
…01011010100011101
31011000002020022110020
423023323023110131
5144044333103201
65303510102353
7603435463551
oct131373132435
934002208406
1012011222301
115104027101
1223b264a9b9
131195593840
1481d2dd861
154a473aa36
hex2cbecb51d

12011222301 has 16 divisors (see below), whose sum is σ = 17539206720. Its totient is φ = 7266240000.

The previous prime is 12011222257. The next prime is 12011222303. The reversal of 12011222301 is 10322211021.

It is not a de Polignac number, because 12011222301 - 225 = 11977667869 is a prime.

It is a super-2 number, since 2×120112223012 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011222303) 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, 2607700 + ... + 2612301.

It is an arithmetic number, because the mean of its divisors is an integer number (1096200420).

Almost surely, 212011222301 is an apocalyptic number.

It is an amenable number.

12011222301 is a deficient number, since it is larger than the sum of its proper divisors (5527984419).

12011222301 is a wasteful number, since it uses less digits than its factorization.

12011222301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220076.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12011222301 its reverse (10322211021), we get a palindrome (22333433322).

The spelling of 12011222301 in words is "twelve billion, eleven million, two hundred twenty-two thousand, three hundred one".

Divisors: 1 3 13 39 59 177 767 2301 5220001 15660003 67860013 203580039 307980059 923940177 4003740767 12011222301