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13222301212 = 2211812798963
BaseRepresentation
bin11000101000001110…
…00100111000011100
31021010111002111101201
430110013010320130
5204034402114322
610024011445244
7645442464061
oct142407047034
937114074351
1013222301212
11567570a66a
122690156824
131329466993
148d60b4c68
15525c13d27
hex3141c4e1c

13222301212 has 12 divisors (see below), whose sum is σ = 23158628136. Its totient is φ = 6605550320.

The previous prime is 13222301201. The next prime is 13222301233. The reversal of 13222301212 is 21210322231.

It is a self number, because there is not a number n which added to its sum of digits gives 13222301212.

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, 1394758 + ... + 1404205.

It is an arithmetic number, because the mean of its divisors is an integer number (1929885678).

Almost surely, 213222301212 is an apocalyptic number.

It is an amenable number.

13222301212 is a deficient number, since it is larger than the sum of its proper divisors (9936326924).

13222301212 is a wasteful number, since it uses less digits than its factorization.

13222301212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800148 (or 2800146 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13222301212 its reverse (21210322231), we get a palindrome (34432623443).

The spelling of 13222301212 in words is "thirteen billion, two hundred twenty-two million, three hundred one thousand, two hundred twelve".

Divisors: 1 2 4 1181 2362 4724 2798963 5597926 11195852 3305575303 6611150606 13222301212