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12303112301 = 34157360193
BaseRepresentation
bin10110111010101001…
…01001100001101101
31011202102110212020222
423131110221201231
5200144044043201
65352454221125
7613611505034
oct133524514155
934672425228
1012303112301
115243871407
1224743547a5
131210bb210c
14849da171b
154c019691b
hex2dd52986d

12303112301 has 4 divisors (see below), whose sum is σ = 12303506652. Its totient is φ = 12302717952.

The previous prime is 12303112267. The next prime is 12303112331. The reversal of 12303112301 is 10321130321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7021602025 + 5281510276 = 83795^2 + 72674^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12303112301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12303112301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303112331) 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, 145940 + ... + 214253.

It is an arithmetic number, because the mean of its divisors is an integer number (3075876663).

Almost surely, 212303112301 is an apocalyptic number.

It is an amenable number.

12303112301 is a deficient number, since it is larger than the sum of its proper divisors (394351).

12303112301 is an equidigital number, since it uses as much as digits as its factorization.

12303112301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394350.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12303112301 its reverse (10321130321), we get a palindrome (22624242622).

The spelling of 12303112301 in words is "twelve billion, three hundred three million, one hundred twelve thousand, three hundred one".

Divisors: 1 34157 360193 12303112301