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12212302113101 = 293711381455837
BaseRepresentation
bin1011000110110110010111…
…1011011110100101001101
31121020111002022221212220102
42301231211323132211031
53100041243320104401
641550130521100445
72400211142133326
oct261554573364515
947214068855812
1012212302113101
113989232194722
1214529ab327725
136a77cc63110c
1430311588144d
15162a0b3e056b
hexb1b65ede94d

12212302113101 has 8 divisors (see below), whose sum is σ = 12974859655320. Its totient is φ = 11472507482688.

The previous prime is 12212302113049. The next prime is 12212302113107. The reversal of 12212302113101 is 10131120321221.

It can be written as a sum of positive squares in 4 ways, for example, as 6540755100100 + 5671547013001 = 2557490^2 + 2381501^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12212302113101 is a prime.

It is a super-2 number, since 2×122123021131012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212302113107) 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, 5690726846 + ... + 5690728991.

It is an arithmetic number, because the mean of its divisors is an integer number (1621857456915).

Almost surely, 212212302113101 is an apocalyptic number.

It is an amenable number.

12212302113101 is a deficient number, since it is larger than the sum of its proper divisors (762557542219).

12212302113101 is a wasteful number, since it uses less digits than its factorization.

12212302113101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11381455903.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12212302113101 its reverse (10131120321221), we get a palindrome (22343422434322).

The spelling of 12212302113101 in words is "twelve trillion, two hundred twelve billion, three hundred two million, one hundred thirteen thousand, one hundred one".

Divisors: 1 29 37 1073 11381455837 330062219273 421113865969 12212302113101