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13122333133212 = 2234992191438399
BaseRepresentation
bin1011111011110100100000…
…0000010100100110011100
31201110111000221212120212010
42332331020000110212130
53204444014240230322
643524152220111220
72523025435153422
oct276751000244634
951414027776763
1013122333133212
1141aa171a56386
12157b242995510
1374257a348a84
143351a5183112
1517b51e3a620c
hexbef4801499c

13122333133212 has 24 divisors (see below), whose sum is σ = 30680137600000. Its totient is φ = 4365345288816.

The previous prime is 13122333133211. The next prime is 13122333133253. The reversal of 13122333133212 is 21233133322131.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 13122333133212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122333133211) 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, 1095713212 + ... + 1095725187.

Almost surely, 213122333133212 is an apocalyptic number.

13122333133212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13122333133212 is an abundant number, since it is smaller than the sum of its proper divisors (17557804466788).

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

13122333133212 is a wasteful number, since it uses less digits than its factorization.

13122333133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191438905 (or 2191438903 counting only the distinct ones).

The product of its digits is 11664, while the sum is 30.

Adding to 13122333133212 its reverse (21233133322131), we get a palindrome (34355466455343).

The spelling of 13122333133212 in words is "thirteen trillion, one hundred twenty-two billion, three hundred thirty-three million, one hundred thirty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 499 998 1497 1996 2994 5988 2191438399 4382876798 6574315197 8765753596 13148630394 26297260788 1093527761101 2187055522202 3280583283303 4374111044404 6561166566606 13122333133212