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BaseRepresentation
bin1011000000111001010001…
…1000010100100110010100
31120212201000212122102101120
42300032110120110212110
53041402241031224340
641431131435123540
72356630100252454
oct260162430244624
946781025572346
1012110002211220
1139499065a5271
121436bbb2a35b0
1369ac784b20b4
151600203034d0
hexb0394614994

12110002211220 has 192 divisors, whose sum is σ = 36484356120576. Its totient is φ = 2995313333760.

The previous prime is 12110002211179. The next prime is 12110002211473. The reversal of 12110002211220 is 2211220001121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12110002211220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3297759 + ... + 5924121.

It is an arithmetic number, because the mean of its divisors is an integer number (190022688128).

Almost surely, 212110002211220 is an apocalyptic number.

12110002211220 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 12110002211220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18242178060288).

12110002211220 is an abundant number, since it is smaller than the sum of its proper divisors (24374353909356).

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

12110002211220 is a wasteful number, since it uses less digits than its factorization.

12110002211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626510 (or 2626508 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12110002211220 its reverse (2211220001121), we get a palindrome (14321222212341).

The spelling of 12110002211220 in words is "twelve trillion, one hundred ten billion, two million, two hundred eleven thousand, two hundred twenty".