12054407987 has 2 divisors, whose sum is σ = 12054407988. Its totient is φ = 12054407986.

The previous prime is 12054407951. The next prime is 12054408019. The reversal of 12054407987 is 78970445021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12054407987 - 2²⁴ = 12037630771 is a prime.

It is not a weakly prime, because it can be changed into another prime (12054407947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6027203993 + 6027203994.

It is an arithmetic number, because the mean of its divisors is an integer number (6027203994).

Almost surely, 2^12054407987 is an apocalyptic number.

12054407987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12054407987 is an equidigital number, since it uses as much as digits as its factorization.

12054407987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 12054407987 in words is "twelve billion, fifty-four million, four hundred seven thousand, nine hundred eighty-seven".