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12453101201 = 19655426379
BaseRepresentation
bin10111001100100001…
…10011111010010001
31012010212201002100102
423212100303322101
5201000443214301
65415413102145
7620412420332
oct134620637221
935125632312
1012453101201
1153104a6282
1224b6627955
131235ca8c48
14861c86289
154cd422b6b
hex2e6433e91

12453101201 has 4 divisors (see below), whose sum is σ = 13108527600. Its totient is φ = 11797674804.

The previous prime is 12453101191. The next prime is 12453101203. The reversal of 12453101201 is 10210135421.

12453101201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10210135421 = 45722341653.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12453101201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12453101203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327713171 + ... + 327713208.

It is an arithmetic number, because the mean of its divisors is an integer number (3277131900).

Almost surely, 212453101201 is an apocalyptic number.

It is an amenable number.

12453101201 is a deficient number, since it is larger than the sum of its proper divisors (655426399).

12453101201 is an equidigital number, since it uses as much as digits as its factorization.

12453101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655426398.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 12453101201 its reverse (10210135421), we get a palindrome (22663236622).

The spelling of 12453101201 in words is "twelve billion, four hundred fifty-three million, one hundred one thousand, two hundred one".

Divisors: 1 19 655426379 12453101201