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2002120111200 = 2535211220813313
BaseRepresentation
bin11101001000100111101…
…010000111010001100000
321002101211012012122210010
4131020213222013101200
5230300320222024300
64131432234204520
7264435255103206
oct35104752072140
97071735178703
102002120111200
11702104675800
12284035b83740
13116a50874141
146cc90293076
153712e1b8a50
hex1d227a87460

2002120111200 has 432 divisors, whose sum is σ = 7168810573008. Its totient is φ = 484982784000.

The previous prime is 2002120111193. The next prime is 2002120111219. The reversal of 2002120111200 is 21110212002.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 604320744 + ... + 604324056.

It is an arithmetic number, because the mean of its divisors is an integer number (16594468919).

Almost surely, 22002120111200 is an apocalyptic number.

2002120111200 is a gapful number since it is divisible by the number (20) 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 2002120111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3584405286504).

2002120111200 is an abundant number, since it is smaller than the sum of its proper divisors (5166690461808).

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

2002120111200 is a wasteful number, since it uses less digits than its factorization.

2002120111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5439 (or 5415 counting only the distinct ones).

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

Adding to 2002120111200 its reverse (21110212002), we get a palindrome (2023230323202).

The spelling of 2002120111200 in words is "two trillion, two billion, one hundred twenty million, one hundred eleven thousand, two hundred".