12030479971 has 2 divisors, whose sum is σ = 12030479972. Its totient is φ = 12030479970.

The previous prime is 12030479957. The next prime is 12030480053. The reversal of 12030479971 is 17997403021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12030479971 - 2²³ = 12022091363 is a prime.

It is not a weakly prime, because it can be changed into another prime (12030479921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015239985 + 6015239986.

It is an arithmetic number, because the mean of its divisors is an integer number (6015239986).

Almost surely, 2^12030479971 is an apocalyptic number.

12030479971 is a deficient number, since it is larger than the sum of its proper divisors (1).

12030479971 is an equidigital number, since it uses as much as digits as its factorization.

12030479971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 43.

The spelling of 12030479971 in words is "twelve billion, thirty million, four hundred seventy-nine thousand, nine hundred seventy-one".