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12132411001 = 26681454721
BaseRepresentation
bin10110100110010010…
…11110011001111001
31011022112021100002121
423103021132121321
5144321344123001
65323515401241
7606436535434
oct132311363171
934275240077
1012132411001
11516647aa57
122427153221
1311b4715829
1483144881b
154b01c86a1
hex2d325e679

12132411001 has 4 divisors (see below), whose sum is σ = 12132892404. Its totient is φ = 12131929600.

The previous prime is 12132410977. The next prime is 12132411073. The reversal of 12132411001 is 10011423121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10011423121 = 71430203303.

It can be written as a sum of positive squares in 2 ways, for example, as 75272976 + 12057138025 = 8676^2 + 109805^2 .

It is a cyclic number.

It is not a de Polignac number, because 12132411001 - 213 = 12132402809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12132411701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200680 + ... + 254041.

It is an arithmetic number, because the mean of its divisors is an integer number (3033223101).

Almost surely, 212132411001 is an apocalyptic number.

It is an amenable number.

12132411001 is a deficient number, since it is larger than the sum of its proper divisors (481403).

12132411001 is an equidigital number, since it uses as much as digits as its factorization.

12132411001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481402.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12132411001 its reverse (10011423121), we get a palindrome (22143834122).

The spelling of 12132411001 in words is "twelve billion, one hundred thirty-two million, four hundred eleven thousand, one".

Divisors: 1 26681 454721 12132411001