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22012110021200 = 24521331280148751
BaseRepresentation
bin1010000000101000101111…
…11111111010001001010000
32212221100002210110011200112
411000110113333322021100
510341121300131134300
6114452120154540452
74431215415014135
oct500242777721120
985840083404615
1022012110021200
117017313286002
122576117137728
13c3896b721810
1456156b1a858c
152828bb0b7e35
hex140517ffa250

22012110021200 has 240 divisors, whose sum is σ = 58811461158912. Its totient is φ = 7862400000000.

The previous prime is 22012110021179. The next prime is 22012110021221. The reversal of 22012110021200 is 212001121022.

It is an interprime number because it is at equal distance from previous prime (22012110021179) and next prime (22012110021221).

It is a congruent number.

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, 451496825 + ... + 451545575.

Almost surely, 222012110021200 is an apocalyptic number.

22012110021200 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 22012110021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29405730579456).

22012110021200 is an abundant number, since it is smaller than the sum of its proper divisors (36799351137712).

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

22012110021200 is a wasteful number, since it uses less digits than its factorization.

22012110021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51614 (or 51603 counting only the distinct ones).

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

Adding to 22012110021200 its reverse (212001121022), we get a palindrome (22224111142222).

The spelling of 22012110021200 in words is "twenty-two trillion, twelve billion, one hundred ten million, twenty-one thousand, two hundred".