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12020000210000 = 245419173365683
BaseRepresentation
bin1010111011101001111111…
…0101111011110001010000
31120120002201111000001002222
42232322133311323301100
53033413430023210000
641321524544000212
72350262545002446
oct256723765736120
946502644001088
1012020000210000
113914720837682
121421681900068
1369263413bc83
142d7ab1d1ab96
1515ca03bcda85
hexaee9fd7bc50

12020000210000 has 200 divisors, whose sum is σ = 30810442127520. Its totient is φ = 4528605888000.

The previous prime is 12020000209999. The next prime is 12020000210039. The reversal of 12020000210000 is 1200002021.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12020000210000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32687159 + ... + 33052841.

Almost surely, 212020000210000 is an apocalyptic number.

12020000210000 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 12020000210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15405221063760).

12020000210000 is an abundant number, since it is smaller than the sum of its proper divisors (18790441917520).

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

12020000210000 is a wasteful number, since it uses less digits than its factorization.

12020000210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365903 (or 365882 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 12020000210000 its reverse (1200002021), we get a palindrome (12021200212021).

The spelling of 12020000210000 in words is "twelve trillion, twenty billion, two hundred ten thousand".