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121232001300 = 22352404106671
BaseRepresentation
bin111000011100111111…
…1011000100100010100
3102120220212101202120020
41300321333120210110
53441240343020200
6131405422305140
711521146002634
oct1607177304424
9376825352506
10121232001300
1147461338a13
121b5b44281b0
13b580504717
145c20c066c4
153248212ea0
hex1c39fd8914

121232001300 has 36 divisors (see below), whose sum is σ = 350764591296. Its totient is φ = 32328533600.

The previous prime is 121232001259. The next prime is 121232001311. The reversal of 121232001300 is 3100232121.

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 121232001300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202053036 + ... + 202053635.

Almost surely, 2121232001300 is an apocalyptic number.

121232001300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121232001300 is an abundant number, since it is smaller than the sum of its proper divisors (229532589996).

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

121232001300 is a wasteful number, since it uses less digits than its factorization.

121232001300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404106688 (or 404106681 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 121232001300 its reverse (3100232121), we get a palindrome (124332233421).

The spelling of 121232001300 in words is "one hundred twenty-one billion, two hundred thirty-two million, one thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 404106671 808213342 1212320013 1616426684 2020533355 2424640026 4041066710 4849280052 6061600065 8082133420 10102666775 12123200130 20205333550 24246400260 30308000325 40410667100 60616000650 121232001300