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12450201023 = 13957707771
BaseRepresentation
bin10111001100001011…
…01111110110111111
31012010200020202001102
423212011233312333
5200444222413043
65415231003315
7620345651111
oct134605576677
935120222042
1012450201023
1153098a5337
1224b566953b
131235501b70
1486172d3b1
154cd04d6b8
hex2e616fdbf

12450201023 has 4 divisors (see below), whose sum is σ = 13407908808. Its totient is φ = 11492493240.

The previous prime is 12450201007. The next prime is 12450201053. The reversal of 12450201023 is 32010205421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12450201023 - 24 = 12450201007 is a prime.

It is a super-2 number, since 2×124502010232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12450200986 and 12450201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12450201053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478853873 + ... + 478853898.

It is an arithmetic number, because the mean of its divisors is an integer number (3351977202).

Almost surely, 212450201023 is an apocalyptic number.

12450201023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12450201023 is a deficient number, since it is larger than the sum of its proper divisors (957707785).

12450201023 is an equidigital number, since it uses as much as digits as its factorization.

12450201023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957707784.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 12450201023 its reverse (32010205421), we get a palindrome (44460406444).

The spelling of 12450201023 in words is "twelve billion, four hundred fifty million, two hundred one thousand, twenty-three".

Divisors: 1 13 957707771 12450201023