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121132131332 = 22113267991441
BaseRepresentation
bin111000011010000001…
…0011010010000000100
3102120122220110211201112
41300310002122100010
53441034311200312
6131351453544152
711515524061562
oct1606402322004
9376586424645
10121132131332
114740aa26153
121b586aa5058
13b565908174
145c1184aa32
15323e586d22
hex1c3409a404

121132131332 has 12 divisors (see below), whose sum is σ = 213857170716. Its totient is φ = 60030082560.

The previous prime is 121132131299. The next prime is 121132131343. The reversal of 121132131332 is 233131231121.

It can be written as a sum of positive squares in 2 ways, for example, as 46546336516 + 74585794816 = 215746^2 + 273104^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121132131298 and 121132131307.

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, 133995269 + ... + 133996172.

It is an arithmetic number, because the mean of its divisors is an integer number (17821430893).

Almost surely, 2121132131332 is an apocalyptic number.

It is an amenable number.

121132131332 is a deficient number, since it is larger than the sum of its proper divisors (92725039384).

121132131332 is a wasteful number, since it uses less digits than its factorization.

121132131332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267991558 (or 267991556 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

Adding to 121132131332 its reverse (233131231121), we get a palindrome (354263362453).

The spelling of 121132131332 in words is "one hundred twenty-one billion, one hundred thirty-two million, one hundred thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 113 226 452 267991441 535982882 1071965764 30283032833 60566065666 121132131332