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12301213023 = 3211124254677
BaseRepresentation
bin10110111010011010…
…11001110101011111
31011202021220100221100
423131031121311133
5200143102304043
65352345404143
7613556404551
oct133515316537
934667810840
1012301213023
115242794460
122473799653
131210698798
14849a294d1
154bee1dcd3
hex2dd359d5f

12301213023 has 12 divisors (see below), whose sum is σ = 19383729768. Its totient is φ = 7455280560.

The previous prime is 12301213021. The next prime is 12301213033. The reversal of 12301213023 is 32031210321.

It is not a de Polignac number, because 12301213023 - 21 = 12301213021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12301212987 and 12301213005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301213021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62127240 + ... + 62127437.

It is an arithmetic number, because the mean of its divisors is an integer number (1615310814).

Almost surely, 212301213023 is an apocalyptic number.

12301213023 is a deficient number, since it is larger than the sum of its proper divisors (7082516745).

12301213023 is a wasteful number, since it uses less digits than its factorization.

12301213023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124254694 (or 124254691 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12301213023 its reverse (32031210321), we get a palindrome (44332423344).

The spelling of 12301213023 in words is "twelve billion, three hundred one million, two hundred thirteen thousand, twenty-three".

Divisors: 1 3 9 11 33 99 124254677 372764031 1118292093 1366801447 4100404341 12301213023