12060861091 has 2 divisors, whose sum is σ = 12060861092. Its totient is φ = 12060861090.

The previous prime is 12060861079. The next prime is 12060861139. The reversal of 12060861091 is 19016806021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12060861091 - 2⁷ = 12060860963 is a prime.

It is not a weakly prime, because it can be changed into another prime (12060861041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6030430545 + 6030430546.

It is an arithmetic number, because the mean of its divisors is an integer number (6030430546).

Almost surely, 2^12060861091 is an apocalyptic number.

12060861091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12060861091 is an equidigital number, since it uses as much as digits as its factorization.

12060861091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 12060861091 in words is "twelve billion, sixty million, eight hundred sixty-one thousand, ninety-one".