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13130311132212 = 2237913850539169
BaseRepresentation
bin1011111100010010001110…
…0001111110010000110100
31201111020121221212221001120
42333010203201332100310
53210111334122212322
643531552012223540
72523430231061631
oct277044341762064
951436557787046
1013130311132212
11420259636708a
1215808aa76abb0
1374324c157a41
14335720961188
1517b8399a7a5c
hexbf12387e434

13130311132212 has 24 divisors (see below), whose sum is σ = 31025207740800. Its totient is φ = 4321368220416.

The previous prime is 13130311132193. The next prime is 13130311132243. The reversal of 13130311132212 is 21223111303131.

13130311132212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 6925268637 + ... + 6925270532.

It is an arithmetic number, because the mean of its divisors is an integer number (1292716989200).

Almost surely, 213130311132212 is an apocalyptic number.

13130311132212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13130311132212 is an abundant number, since it is smaller than the sum of its proper divisors (17894896608588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13130311132212 is a wasteful number, since it uses less digits than its factorization.

13130311132212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13850539255 (or 13850539253 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13130311132212 its reverse (21223111303131), we get a palindrome (34353422435343).

The spelling of 13130311132212 in words is "thirteen trillion, one hundred thirty billion, three hundred eleven million, one hundred thirty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 79 158 237 316 474 948 13850539169 27701078338 41551617507 55402156676 83103235014 166206470028 1094192594351 2188385188702 3282577783053 4376770377404 6565155566106 13130311132212