12054349997 has 2 divisors, whose sum is σ = 12054349998. Its totient is φ = 12054349996.

The previous prime is 12054349961. The next prime is 12054350069. The reversal of 12054349997 is 79994345021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8848412356 + 3205937641 = 94066^2 + 56621^2 .

It is an emirp because it is prime and its reverse (79994345021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12054349997 - 2¹⁶ = 12054284461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12054349927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6027174998 + 6027174999.

It is an arithmetic number, because the mean of its divisors is an integer number (6027174999).

Almost surely, 2^12054349997 is an apocalyptic number.

It is an amenable number.

12054349997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12054349997 is an equidigital number, since it uses as much as digits as its factorization.

12054349997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 12054349997 in words is "twelve billion, fifty-four million, three hundred forty-nine thousand, nine hundred ninety-seven".