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12312231201013 = 474211031603529
BaseRepresentation
bin1011001100101010101000…
…1010101100100011110101
31121121001000120011112001111
42303022222022230203311
53103210422141413023
642104054432155021
72410346365306132
oct263125212544365
947531016145044
1012312231201013
113a17651596497
12146a239398a71
136b4066542b33
14307cb5323589
151654092be00d
hexb32aa2ac8f5

12312231201013 has 16 divisors (see below), whose sum is σ = 12616306997760. Its totient is φ = 12009965788800.

The previous prime is 12312231200993. The next prime is 12312231201029. The reversal of 12312231201013 is 31010213221321.

12312231201013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12312231201013 - 229 = 12311694330101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312231201913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20098633 + ... + 20702161.

It is an arithmetic number, because the mean of its divisors is an integer number (788519187360).

Almost surely, 212312231201013 is an apocalyptic number.

It is an amenable number.

12312231201013 is a deficient number, since it is larger than the sum of its proper divisors (304075796747).

12312231201013 is a wasteful number, since it uses less digits than its factorization.

12312231201013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605028.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12312231201013 its reverse (31010213221321), we get a palindrome (43322444422334).

The spelling of 12312231201013 in words is "twelve trillion, three hundred twelve billion, two hundred thirty-one million, two hundred one thousand, thirteen".

Divisors: 1 47 421 1031 19787 48457 434051 603529 20400397 28365863 254085709 622238399 11942028323 29245204753 261962365979 12312231201013