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12999627437297 = 35336826140049
BaseRepresentation
bin1011110100101011011000…
…1011001111010011110001
31201000202022101110101022212
42331022312023033103301
53200441214110443142
643351540231141505
72511122613022634
oct275126613172361
951022271411285
1012999627437297
114162124874936
12155b4b8b14895
13733b23732507
1432d284763c1b
1517823bae2d82
hexbd2b62cf4f1

12999627437297 has 4 divisors (see below), whose sum is σ = 13036453577700. Its totient is φ = 12962801296896.

The previous prime is 12999627437263. The next prime is 12999627437333. The reversal of 12999627437297 is 79273472699921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8986660946176 + 4012966491121 = 2997776^2 + 2003239^2 .

It is a cyclic number.

It is not a de Polignac number, because 12999627437297 - 210 = 12999627436273 is a prime.

It is a super-3 number, since 3×129996274372973 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12999627437897) 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, 18413069672 + ... + 18413070377.

It is an arithmetic number, because the mean of its divisors is an integer number (3259113394425).

Almost surely, 212999627437297 is an apocalyptic number.

It is an amenable number.

12999627437297 is a deficient number, since it is larger than the sum of its proper divisors (36826140403).

12999627437297 is an equidigital number, since it uses as much as digits as its factorization.

12999627437297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36826140402.

The product of its digits is 1296243648, while the sum is 77.

The spelling of 12999627437297 in words is "twelve trillion, nine hundred ninety-nine billion, six hundred twenty-seven million, four hundred thirty-seven thousand, two hundred ninety-seven".

Divisors: 1 353 36826140049 12999627437297