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12013032122120 = 235172315140912437
BaseRepresentation
bin1010111011010000000010…
…0000110010011100001000
31120112102201212022111112002
42232310000200302130020
53033310142210401440
641314413305410132
72346625064144441
oct256640040623410
946472655274462
1012013032122120
1139117754aa067
121420258199948
13691a9362a453
142d761070a2c8
1515c7470ba115
hexaed00832708

12013032122120 has 256 divisors, whose sum is σ = 30137293900800. Its totient is φ = 4286420582400.

The previous prime is 12013032122053. The next prime is 12013032122153. The reversal of 12013032122120 is 2122123031021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12013032122092 and 12013032122101.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 965904542 + ... + 965916978.

It is an arithmetic number, because the mean of its divisors is an integer number (117723804300).

Almost surely, 212013032122120 is an apocalyptic number.

12013032122120 is a gapful number since it is divisible by the number (10) 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 12013032122120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15068646950400).

12013032122120 is an abundant number, since it is smaller than the sum of its proper divisors (18124261778680).

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

12013032122120 is a wasteful number, since it uses less digits than its factorization.

12013032122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13048 (or 13044 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12013032122120 its reverse (2122123031021), we get a palindrome (14135155153141).

The spelling of 12013032122120 in words is "twelve trillion, thirteen billion, thirty-two million, one hundred twenty-two thousand, one hundred twenty".