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13212244341312 = 263235967756869
BaseRepresentation
bin1100000001000011011100…
…1000010111001001000000
31201210002010000200012101120
43000100313020113021000
53212432134022410222
644033342105232240
72532360505625442
oct300206710271100
951702100605346
1013212244341312
114234310540835
121594755a92680
1374aba894cc63
1433969436a492
1517da32a4415c
hexc0437217240

13212244341312 has 224 divisors, whose sum is σ = 37649256883200. Its totient is φ = 4079385311232.

The previous prime is 13212244341281. The next prime is 13212244341341. The reversal of 13212244341312 is 21314344221231.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17078014 + ... + 17834882.

Almost surely, 213212244341312 is an apocalyptic number.

13212244341312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13212244341312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18824628441600).

13212244341312 is an abundant number, since it is smaller than the sum of its proper divisors (24437012541888).

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

13212244341312 is a wasteful number, since it uses less digits than its factorization.

13212244341312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757033 (or 757023 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

Adding to 13212244341312 its reverse (21314344221231), we get a palindrome (34526588562543).

The spelling of 13212244341312 in words is "thirteen trillion, two hundred twelve billion, two hundred forty-four million, three hundred forty-one thousand, three hundred twelve".