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12120033441 = 34040011147
BaseRepresentation
bin10110100100110100…
…10000100010100001
31011021122222111021110
423102122100202201
5144310212032231
65322354213533
7606226404315
oct132232204241
934248874243
1012120033441
11515a49656a
122422b842a9
1311b1ca0a29
1482d945b45
154ae081046
hex2d26908a1

12120033441 has 4 divisors (see below), whose sum is σ = 16160044592. Its totient is φ = 8080022292.

The previous prime is 12120033413. The next prime is 12120033469. The reversal of 12120033441 is 14433002121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12120033413) and next prime (12120033469).

It is not a de Polignac number, because 12120033441 - 217 = 12119902369 is a prime.

It is a super-2 number, since 2×121200334412 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120037441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020005571 + ... + 2020005576.

It is an arithmetic number, because the mean of its divisors is an integer number (4040011148).

Almost surely, 212120033441 is an apocalyptic number.

It is an amenable number.

12120033441 is a deficient number, since it is larger than the sum of its proper divisors (4040011151).

12120033441 is an equidigital number, since it uses as much as digits as its factorization.

12120033441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040011150.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12120033441 its reverse (14433002121), we get a palindrome (26553035562).

The spelling of 12120033441 in words is "twelve billion, one hundred twenty million, thirty-three thousand, four hundred forty-one".

Divisors: 1 3 4040011147 12120033441