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12220002111200 = 2552132178396337
BaseRepresentation
bin1011000111010011000011…
…1000101000111011100000
31121021012221221212022120012
42301310300320220323200
53100203031020024300
641553442542504052
72400603021055352
oct261646070507340
947235857768505
1012220002111200
113991523687214
121454399b95028
136a8458975600
143036463750d2
15162d0c3cb435
hexb1d30e28ee0

12220002111200 has 432 divisors, whose sum is σ = 34249746313440. Its totient is φ = 4240858152960.

The previous prime is 12220002111197. The next prime is 12220002111227. The reversal of 12220002111200 is 211120002221.

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, 1928354432 + ... + 1928360768.

It is an arithmetic number, because the mean of its divisors is an integer number (79281820170).

Almost surely, 212220002111200 is an apocalyptic number.

12220002111200 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 12220002111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17124873156720).

12220002111200 is an abundant number, since it is smaller than the sum of its proper divisors (22029744202240).

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

12220002111200 is a wasteful number, since it uses less digits than its factorization.

12220002111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7239 (or 7213 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12220002111200 its reverse (211120002221), we get a palindrome (12431122113421).

The spelling of 12220002111200 in words is "twelve trillion, two hundred twenty billion, two million, one hundred eleven thousand, two hundred".