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12142020001 = 53229094717
BaseRepresentation
bin10110100111011100…
…01000010110100001
31011100012100112011111
423103232020112201
5144331324120001
65324501343321
7606614316136
oct132356102641
934305315144
1012142020001
115170943381
12242a407b41
1311b66cb427
1483282a58d
154b0e75851
hex2d3b885a1

12142020001 has 4 divisors (see below), whose sum is σ = 12371114772. Its totient is φ = 11912925232.

The previous prime is 12142019987. The next prime is 12142020017. The reversal of 12142020001 is 10002024121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10002024121 = 48012083321.

It can be written as a sum of positive squares in 2 ways, for example, as 6942888976 + 5199131025 = 83324^2 + 72105^2 .

It is a cyclic number.

It is not a de Polignac number, because 12142020001 - 215 = 12141987233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12142020031) 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, 114547306 + ... + 114547411.

It is an arithmetic number, because the mean of its divisors is an integer number (3092778693).

Almost surely, 212142020001 is an apocalyptic number.

It is an amenable number.

12142020001 is a deficient number, since it is larger than the sum of its proper divisors (229094771).

12142020001 is an equidigital number, since it uses as much as digits as its factorization.

12142020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229094770.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12142020001 its reverse (10002024121), we get a palindrome (22144044122).

The spelling of 12142020001 in words is "twelve billion, one hundred forty-two million, twenty thousand, one".

Divisors: 1 53 229094717 12142020001