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12213312131398 = 275525891578713
BaseRepresentation
bin1011000110111010001000…
…1000011001000101000110
31121020120200201111010112111
42301232202020121011012
53100100330401201043
641550415041211234
72400245155141150
oct261564210310506
947216621433474
1012213312131398
113989700330394
121453031630b1a
136a7930968291
143031ada79ad0
15162a69e0009d
hexb1ba2219146

12213312131398 has 16 divisors (see below), whose sum is σ = 20937157662240. Its totient is φ = 5234263839936.

The previous prime is 12213312131323. The next prime is 12213312131399. The reversal of 12213312131398 is 89313121331221.

It is a self number, because there is not a number n which added to its sum of digits gives 12213312131398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213312131399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6946890 + ... + 8525602.

It is an arithmetic number, because the mean of its divisors is an integer number (1308572353890).

Almost surely, 212213312131398 is an apocalyptic number.

12213312131398 is a deficient number, since it is larger than the sum of its proper divisors (8723845530842).

12213312131398 is a wasteful number, since it uses less digits than its factorization.

12213312131398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131311.

The product of its digits is 46656, while the sum is 40.

The spelling of 12213312131398 in words is "twelve trillion, two hundred thirteen billion, three hundred twelve million, one hundred thirty-one thousand, three hundred ninety-eight".

Divisors: 1 2 7 14 552589 1105178 1578713 3157426 3868123 7736246 11050991 22101982 872379437957 1744758875914 6106656065699 12213312131398