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12011423001 = 389136732909
BaseRepresentation
bin10110010111110111…
…11100010100011001
31011000002121111202120
423023323330110121
5144044411014001
65303514251453
7603440260644
oct131373742431
934002544676
1012011423001
115104153976
1223b2726b89
131195633cb6
1481d352a5b
154a477a236
hex2cbefc519

12011423001 has 16 divisors (see below), whose sum is σ = 16207516800. Its totient is φ = 7911609728.

The previous prime is 12011422979. The next prime is 12011423033. The reversal of 12011423001 is 10032411021.

It is a cyclic number.

It is not a de Polignac number, because 12011423001 - 213 = 12011414809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12011463001) 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, 348535 + ... + 381443.

It is an arithmetic number, because the mean of its divisors is an integer number (1012969800).

Almost surely, 212011423001 is an apocalyptic number.

It is an amenable number.

12011423001 is a deficient number, since it is larger than the sum of its proper divisors (4196093799).

12011423001 is a wasteful number, since it uses less digits than its factorization.

12011423001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34368.

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

Adding to 12011423001 its reverse (10032411021), we get a palindrome (22043834022).

The spelling of 12011423001 in words is "twelve billion, eleven million, four hundred twenty-three thousand, one".

Divisors: 1 3 89 267 1367 4101 32909 98727 121663 364989 2928901 8786703 44986603 134959809 4003807667 12011423001