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12213310102985 = 512971883316901
BaseRepresentation
bin1011000110111010001000…
…0000101001110111001001
31121020120200120200002002002
42301232202000221313021
53100100324341243420
641550414525520345
72400245131662335
oct261564200516711
947216616602062
1012213310102985
1139896aa175412
121453030a130b5
136a7930407c34
143031ad6ac7c5
15162a69b4e075
hexb1ba2029dc9

12213310102985 has 8 divisors (see below), whose sum is σ = 14667272032776. Its totient is φ = 9763114809600.

The previous prime is 12213310102979. The next prime is 12213310103041. The reversal of 12213310102985 is 58920101331221.

It can be written as a sum of positive squares in 4 ways, for example, as 7381741228096 + 4831568874889 = 2716936^2 + 2198083^2 .

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

It is not a de Polignac number, because 12213310102985 - 222 = 12213305908681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 941651966 + ... + 941664935.

It is an arithmetic number, because the mean of its divisors is an integer number (1833409004097).

Almost surely, 212213310102985 is an apocalyptic number.

It is an amenable number.

12213310102985 is a deficient number, since it is larger than the sum of its proper divisors (2453961929791).

12213310102985 is a wasteful number, since it uses less digits than its factorization.

12213310102985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883318203.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 12213310102985 in words is "twelve trillion, two hundred thirteen billion, three hundred ten million, one hundred two thousand, nine hundred eighty-five".

Divisors: 1 5 1297 6485 1883316901 9416584505 2442662020597 12213310102985