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12013011012 = 2233839832659
BaseRepresentation
bin10110011000000100…
…00000000001000100
31011000012121012002210
423030002000001010
5144100312323022
65304012303420
7603456623502
oct131402000104
934005535083
1012013011012
115105038a82
1223b3171b70
131195a6ba52
1481d647672
154a4990a0c
hex2cc080044

12013011012 has 48 divisors (see below), whose sum is σ = 28142714880. Its totient is φ = 3988318368.

The previous prime is 12013010993. The next prime is 12013011047. The reversal of 12013011012 is 21011031021.

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 15 ways as a sum of consecutive naturals, for example, 4516539 + ... + 4519197.

It is an arithmetic number, because the mean of its divisors is an integer number (586306560).

Almost surely, 212013011012 is an apocalyptic number.

12013011012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12013011012 is an abundant number, since it is smaller than the sum of its proper divisors (16129703868).

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

12013011012 is a wasteful number, since it uses less digits than its factorization.

12013011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032 (or 4030 counting only the distinct ones).

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

Adding to 12013011012 its reverse (21011031021), we get a palindrome (33024042033).

The spelling of 12013011012 in words is "twelve billion, thirteen million, eleven thousand, twelve".

Divisors: 1 2 3 4 6 12 383 766 983 1149 1532 1966 2298 2659 2949 3932 4596 5318 5898 7977 10636 11796 15954 31908 376489 752978 1018397 1129467 1505956 2036794 2258934 2613797 3055191 4073588 4517868 5227594 6110382 7841391 10455188 12220764 15682782 31365564 1001084251 2002168502 3003252753 4004337004 6006505506 12013011012