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121113021232 = 2475320403137
BaseRepresentation
bin111000011001011100…
…1100000101100110000
3102120121120111221121001
41300302321200230300
53441014413134412
6131345532211344
711515202460160
oct1606271405460
9376546457531
10121113021232
1147400163485
121b580609b54
13b561976b08
145c0d0b45a0
15323ca5e957
hex1c32e60b30

121113021232 has 40 divisors (see below), whose sum is σ = 273238824096. Its totient is φ = 50926227456.

The previous prime is 121113021229. The next prime is 121113021251. The reversal of 121113021232 is 232120311121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10195633 + ... + 10207504.

Almost surely, 2121113021232 is an apocalyptic number.

It is an amenable number.

121113021232 is an abundant number, since it is smaller than the sum of its proper divisors (152125802864).

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

121113021232 is a wasteful number, since it uses less digits than its factorization.

121113021232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20403205 (or 20403199 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121113021232 its reverse (232120311121), we get a palindrome (353233332353).

The spelling of 121113021232 in words is "one hundred twenty-one billion, one hundred thirteen million, twenty-one thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 53 56 106 112 212 371 424 742 848 1484 2968 5936 20403137 40806274 81612548 142821959 163225096 285643918 326450192 571287836 1081366261 1142575672 2162732522 2285151344 4325465044 7569563827 8650930088 15139127654 17301860176 30278255308 60556510616 121113021232