132012281 has 2 divisors, whose sum is σ = 132012282. Its totient is φ = 132012280.

The previous prime is 132012277. The next prime is 132012299. The reversal of 132012281 is 182210231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123654400 + 8357881 = 11120^2 + 2891^2 .

It is a cyclic number.

It is not a de Polignac number, because 132012281 - 2² = 132012277 is a prime.

It is a super-2 number, since 2×132012281² = 34854484669645922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (132012271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66006140 + 66006141.

It is an arithmetic number, because the mean of its divisors is an integer number (66006141).

Almost surely, 2^132012281 is an apocalyptic number.

It is an amenable number.

132012281 is a deficient number, since it is larger than the sum of its proper divisors (1).

132012281 is an equidigital number, since it uses as much as digits as its factorization.

132012281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 132012281 is about 11489.6597425685. The cubic root of 132012281 is about 509.1801269996.

The spelling of 132012281 in words is "one hundred thirty-two million, twelve thousand, two hundred eighty-one".