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12220221200202 = 2322923410385441
BaseRepresentation
bin1011000111010011110111…
…1100011001011101001010
31121021020112020010012011200
42301310331330121131022
53100204003111401302
641553520410405030
72400611321225661
oct261647574313512
947236466105150
1012220221200202
113991626318004
12145443b430776
136a8492184482
143036674c5dd8
15162d2175681c
hexb1d3df1974a

12220221200202 has 24 divisors (see below), whose sum is σ = 27390150967140. Its totient is φ = 3932944753920.

The previous prime is 12220221200183. The next prime is 12220221200203. The reversal of 12220221200202 is 20200212202221.

12220221200202 is a `hidden beast` number, since 1 + 2 + 220 + 221 + 20 + 0 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11858718435201 + 361502765001 = 3443649^2 + 601251^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12220221200203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11705192199 + ... + 11705193242.

Almost surely, 212220221200202 is an apocalyptic number.

12220221200202 is an abundant number, since it is smaller than the sum of its proper divisors (15169929766938).

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

12220221200202 is a wasteful number, since it uses less digits than its factorization.

12220221200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23410385478 (or 23410385475 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12220221200202 its reverse (20200212202221), we get a palindrome (32420433402423).

The spelling of 12220221200202 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-one million, two hundred thousand, two hundred two".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 23410385441 46820770882 70231156323 140462312646 210693468969 421386937938 678901177789 1357802355578 2036703533367 4073407066734 6110110600101 12220221200202