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13020222312212 = 2210193194362687
BaseRepresentation
bin1011110101111000000110…
…1110011100111100010100
31201002201110200100102112212
42331132001232130330110
53201310403402442322
643405224010532552
72512452150412013
oct275360156347424
951081420312485
1013020222312212
11416a933071215
1215634a6137158
13735a5643002b
14330279a5aa7a
15178a44bb80e2
hexbd781b9cf14

13020222312212 has 12 divisors (see below), whose sum is σ = 22807749592320. Its totient is φ = 6503722428696.

The previous prime is 13020222312161. The next prime is 13020222312283. The reversal of 13020222312212 is 21221322202031.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1597177268 + ... + 1597185419.

It is an arithmetic number, because the mean of its divisors is an integer number (1900645799360).

Almost surely, 213020222312212 is an apocalyptic number.

It is an amenable number.

13020222312212 is a deficient number, since it is larger than the sum of its proper divisors (9787527280108).

13020222312212 is a wasteful number, since it uses less digits than its factorization.

13020222312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194363710 (or 3194363708 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13020222312212 its reverse (21221322202031), we get a palindrome (34241544514243).

The spelling of 13020222312212 in words is "thirteen trillion, twenty billion, two hundred twenty-two million, three hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 1019 2038 4076 3194362687 6388725374 12777450748 3255055578053 6510111156106 13020222312212