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12001110331213 = 67735437500237
BaseRepresentation
bin1010111010100011100111…
…1010110000111101001101
31120111021222000100202212201
42232220321322300331031
53033111233221044323
641305122312201501
72346023462454523
oct256507172607515
946437860322781
1012001110331213
113907707a06103
121419a8b699291
13690913749ac3
142d6bdd24a313
1515c29a6478ad
hexaea39eb0f4d

12001110331213 has 8 divisors (see below), whose sum is σ = 12019200417432. Its totient is φ = 11983021317696.

The previous prime is 12001110331127. The next prime is 12001110331229. The reversal of 12001110331213 is 31213301110021.

It can be written as a sum of positive squares in 4 ways, for example, as 10767238134409 + 1233872196804 = 3281347^2 + 1110798^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12001110331213 - 29 = 12001110330701 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 (12001110331513) 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, 23740731 + ... + 24240967.

It is an arithmetic number, because the mean of its divisors is an integer number (1502400052179).

Almost surely, 212001110331213 is an apocalyptic number.

It is an amenable number.

12001110331213 is a deficient number, since it is larger than the sum of its proper divisors (18090086219).

12001110331213 is an equidigital number, since it uses as much as digits as its factorization.

12001110331213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536351.

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

Adding to 12001110331213 its reverse (31213301110021), we get a palindrome (43214411441234).

The spelling of 12001110331213 in words is "twelve trillion, one billion, one hundred ten million, three hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 677 35437 500237 23990849 338660449 17726898569 12001110331213