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121220321001132 = 22310101693416761
BaseRepresentation
bin11011100011111111001110…
…001011000011111010101100
3120220012112211121000221221110
4123203333032023003322230
5111342033204134014012
61105451502515032020
734350610362432363
oct3343771613037254
9526175747027843
10121220321001132
1135696281aa8211
121171938829b610
135284047a610b2
1421d114835c7da
15e0334336873c
hex6e3fce2c3eac

121220321001132 has 12 divisors (see below), whose sum is σ = 282847415669336. Its totient is φ = 40406773667040.

The previous prime is 121220321001119. The next prime is 121220321001149. The reversal of 121220321001132 is 231100123022121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 121220321001099 and 121220321001108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050846708369 + ... + 5050846708392.

Almost surely, 2121220321001132 is an apocalyptic number.

121220321001132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121220321001132 is an abundant number, since it is smaller than the sum of its proper divisors (161627094668204).

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

121220321001132 is a wasteful number, since it uses less digits than its factorization.

121220321001132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101693416768 (or 10101693416766 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121220321001132 its reverse (231100123022121), we get a palindrome (352320444023253).

The spelling of 121220321001132 in words is "one hundred twenty-one trillion, two hundred twenty billion, three hundred twenty-one million, one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 10101693416761 20203386833522 30305080250283 40406773667044 60610160500566 121220321001132