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12220202011200 = 26352157124912983
BaseRepresentation
bin1011000111010011110011…
…0011001100101001000000
31121021020110220000021210220
42301310330303030221000
53100203433203324300
641553514443223040
72400610666145241
oct261647463145100
947236426007726
1012220202011200
113991616501027
121454434b17a80
136a848b1c6231
14303664b2ccc8
15162d1ec15da0
hexb1d3cccca40

12220202011200 has 336 divisors, whose sum is σ = 40383226320000. Its totient is φ = 3235122708480.

The previous prime is 12220202011189. The next prime is 12220202011247. The reversal of 12220202011200 is 211020202221.

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 12220202011200.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 941239909 + ... + 941252891.

Almost surely, 212220202011200 is an apocalyptic number.

12220202011200 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 12220202011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20191613160000).

12220202011200 is an abundant number, since it is smaller than the sum of its proper divisors (28163024308800).

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

12220202011200 is a wasteful number, since it uses less digits than its factorization.

12220202011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14414 (or 14399 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12220202011200 its reverse (211020202221), we get a palindrome (12431222213421).

The spelling of 12220202011200 in words is "twelve trillion, two hundred twenty billion, two hundred two million, eleven thousand, two hundred".