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12011410812 = 2231000950901
BaseRepresentation
bin10110010111110111…
…11001010101111100
31011000002120220001010
423023323321111330
5144044410121222
65303514115220
7603440210262
oct131373712574
934002526033
1012011410812
1151041457a5
1223b271bb10
13119562b59b
1481d34c432
154a477680c
hex2cbef957c

12011410812 has 12 divisors (see below), whose sum is σ = 28026625256. Its totient is φ = 4003803600.

The previous prime is 12011410787. The next prime is 12011410813. The reversal of 12011410812 is 21801411021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011410813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500475439 + ... + 500475462.

Almost surely, 212011410812 is an apocalyptic number.

12011410812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12011410812 is an abundant number, since it is smaller than the sum of its proper divisors (16015214444).

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

12011410812 is a wasteful number, since it uses less digits than its factorization.

12011410812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000950908 (or 1000950906 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 12011410812 its reverse (21801411021), we get a palindrome (33812821833).

The spelling of 12011410812 in words is "twelve billion, eleven million, four hundred ten thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 1000950901 2001901802 3002852703 4003803604 6005705406 12011410812