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12001200221010 = 235721113371543013
BaseRepresentation
bin1010111010100011111101…
…0001101010101101010010
31120111022012021111122111110
42232220333101222231102
53033111424224033020
641305135242554150
72346025633511100
oct256507721525522
946438167448443
1012001200221010
1139077537216a0
121419ab5808956
13690929260830
142d6c0b168c70
1515c2a34a18e0
hexaea3f46ab52

12001200221010 has 384 divisors, whose sum is σ = 40426868047104. Its totient is φ = 2239712778240.

The previous prime is 12001200220993. The next prime is 12001200221029. The reversal of 12001200221010 is 1012200210021.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7006264 + ... + 8549276.

It is an arithmetic number, because the mean of its divisors is an integer number (105278302206).

Almost surely, 212001200221010 is an apocalyptic number.

12001200221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12001200221010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20213434023552).

12001200221010 is an abundant number, since it is smaller than the sum of its proper divisors (28425667826094).

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

12001200221010 is a wasteful number, since it uses less digits than its factorization.

12001200221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543098 (or 1543091 counting only the distinct ones).

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

Adding to 12001200221010 its reverse (1012200210021), we get a palindrome (13013400431031).

The spelling of 12001200221010 in words is "twelve trillion, one billion, two hundred million, two hundred twenty-one thousand, ten".