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12301031113021 = 7193311361205307
BaseRepresentation
bin1011001100000000111010…
…0101110000000100111101
31121112222010000020002200201
42303000032211300010331
53103020002431104041
642055003215323501
72406502006161310
oct263001645600475
947488100202621
1012301031113021
113a12924415622
121468032520591
136b2ca0030131
14307531a4a977
15164ea0da9631
hexb300e97013d

12301031113021 has 32 divisors (see below), whose sum is σ = 14853918827520. Its totient is φ = 9951263942400.

The previous prime is 12301031113013. The next prime is 12301031113037. The reversal of 12301031113021 is 12031113010321.

It is a cyclic number.

It is not a de Polignac number, because 12301031113021 - 23 = 12301031113013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 12301031113021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301031113001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59812650 + ... + 60017956.

It is an arithmetic number, because the mean of its divisors is an integer number (464184963360).

Almost surely, 212301031113021 is an apocalyptic number.

It is an amenable number.

12301031113021 is a deficient number, since it is larger than the sum of its proper divisors (2552887714499).

12301031113021 is a wasteful number, since it uses less digits than its factorization.

12301031113021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207025.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12301031113021 its reverse (12031113010321), we get a palindrome (24332144123342).

The spelling of 12301031113021 in words is "twelve trillion, three hundred one billion, thirty-one million, one hundred thirteen thousand, twenty-one".

Divisors: 1 7 19 133 331 1361 2317 6289 9527 25859 44023 181013 205307 450491 1437149 3153437 3900833 8559329 27305831 59915303 67956617 279422827 475696319 1291175723 1955959789 5309033713 9038230061 37163235991 92488955737 647422690159 1757290159003 12301031113021