132012209005981 has 2 divisors, whose sum is σ = 132012209005982. Its totient is φ = 132012209005980.

The previous prime is 132012209005949. The next prime is 132012209005997. The reversal of 132012209005981 is 189500902210231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71705584447225 + 60306624558756 = 8467915^2 + 7765734^2 .

It is a cyclic number.

It is not a de Polignac number, because 132012209005981 - 2⁵ = 132012209005949 is a prime.

It is a super-2 number, since 2×132012209005981² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132012209005181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66006104502990 + 66006104502991.

It is an arithmetic number, because the mean of its divisors is an integer number (66006104502991).

Almost surely, 2^{132012209005981} is an apocalyptic number.

It is an amenable number.

132012209005981 is a deficient number, since it is larger than the sum of its proper divisors (1).

132012209005981 is an equidigital number, since it uses as much as digits as its factorization.

132012209005981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 43.

The spelling of 132012209005981 in words is "one hundred thirty-two trillion, twelve billion, two hundred nine million, five thousand, nine hundred eighty-one".