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132012121 is a prime number
BaseRepresentation
bin1111101111001…
…01100001011001
3100012101220120211
413313211201121
5232243341441
621033251121
73162040663
oct767454131
9305356524
10132012121
116857672a
1238263aa1
13214715a7
1413765533
15b8c9a81
hex7de5859

132012121 has 2 divisors, whose sum is σ = 132012122. Its totient is φ = 132012120.

The previous prime is 132012119. The next prime is 132012161. The reversal of 132012121 is 121210231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104857600 + 27154521 = 10240^2 + 5211^2 .

It is an emirp because it is prime and its reverse (121210231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 132012121 - 21 = 132012119 is a prime.

Together with 132012119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (132012161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66006060 + 66006061.

It is an arithmetic number, because the mean of its divisors is an integer number (66006061).

Almost surely, 2132012121 is an apocalyptic number.

It is an amenable number.

132012121 is a deficient number, since it is larger than the sum of its proper divisors (1).

132012121 is an equidigital number, since it uses as much as digits as its factorization.

132012121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 132012121 is about 11489.6527797841. The cubic root of 132012121 is about 509.1799212893.

Adding to 132012121 its reverse (121210231), we get a palindrome (253222352).

The spelling of 132012121 in words is "one hundred thirty-two million, twelve thousand, one hundred twenty-one".