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12213113303112 = 233508879720963
BaseRepresentation
bin1011000110111001011001…
…0001111011000001001000
31121020120011212100121101220
42301232112101323001020
53100044424001144422
641550343215442040
72400240222133641
oct261562621730110
947216155317356
1012213113303112
113989609078797
121452b96b26320
136a78cb7013c7
143031914c06c8
15162a57727e5c
hexb1b9647b048

12213113303112 has 16 divisors (see below), whose sum is σ = 30532783257840. Its totient is φ = 4071037767696.

The previous prime is 12213113303093. The next prime is 12213113303119. The reversal of 12213113303112 is 21130331131221.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 508879720963 = 12213113303112 / (1 + 2 + 2 + 1 + 3 + 1 + 1 + 3 + 3 + 0 + 3 + 1 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (12213113303119) 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, 254439860458 + ... + 254439860505.

It is an arithmetic number, because the mean of its divisors is an integer number (1908298953615).

Almost surely, 212213113303112 is an apocalyptic number.

12213113303112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12213113303112 is an abundant number, since it is smaller than the sum of its proper divisors (18319669954728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12213113303112 is a wasteful number, since it uses less digits than its factorization.

12213113303112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508879720972 (or 508879720968 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 12213113303112 its reverse (21130331131221), we get a palindrome (33343444434333).

The spelling of 12213113303112 in words is "twelve trillion, two hundred thirteen billion, one hundred thirteen million, three hundred three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 508879720963 1017759441926 1526639162889 2035518883852 3053278325778 4071037767704 6106556651556 12213113303112