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12010011002220 = 22357113659710459
BaseRepresentation
bin1010111011000100110001…
…1100001000010101101100
31120112010221022112201010110
42232301030130020111230
53033233000304032340
641313153424340020
72346460161066630
oct256611434102554
946463838481113
1012010011002220
113910465123a60
12141b754474610
1369170175cb3a
142d74053a6dc0
1515c61bc53680
hexaec4c70856c

12010011002220 has 192 divisors, whose sum is σ = 41937373900800. Its totient is φ = 2494901149440.

The previous prime is 12010011002203. The next prime is 12010011002239. The reversal of 12010011002220 is 2220011001021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12010011002196 and 12010011002205.

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, 16549351 + ... + 17259809.

It is an arithmetic number, because the mean of its divisors is an integer number (218423822400).

Almost surely, 212010011002220 is an apocalyptic number.

12010011002220 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 12010011002220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20968686950400).

12010011002220 is an abundant number, since it is smaller than the sum of its proper divisors (29927362898580).

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

12010011002220 is a wasteful number, since it uses less digits than its factorization.

12010011002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714148 (or 714146 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12010011002220 its reverse (2220011001021), we get a palindrome (14230022003241).

The spelling of 12010011002220 in words is "twelve trillion, ten billion, eleven million, two thousand, two hundred twenty".