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12020111020200 = 233521012774191709
BaseRepresentation
bin1010111011101010011001…
…1100101001000010101000
31120120010000012111210010110
42232322212130221002220
53033414141410121300
641321543543014320
72350265361610323
oct256724634510250
946503005453113
1012020111020200
113914778341a58
1214216b2a3a3a0
1369265109903a
142d7ac29237ba
1515ca0d7bb550
hexaeea67290a8

12020111020200 has 384 divisors, whose sum is σ = 37879419312000. Its totient is φ = 3152776704000.

The previous prime is 12020111020157. The next prime is 12020111020213. The reversal of 12020111020200 is 202011102021.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7033416946 + ... + 7033418654.

It is an arithmetic number, because the mean of its divisors is an integer number (98644321125).

Almost surely, 212020111020200 is an apocalyptic number.

12020111020200 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 12020111020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18939709656000).

12020111020200 is an abundant number, since it is smaller than the sum of its proper divisors (25859308291800).

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

12020111020200 is a wasteful number, since it uses less digits than its factorization.

12020111020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525 (or 2516 counting only the distinct ones).

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

Adding to 12020111020200 its reverse (202011102021), we get a palindrome (12222122122221).

The spelling of 12020111020200 in words is "twelve trillion, twenty billion, one hundred eleven million, twenty thousand, two hundred".