12137403533 has 2 divisors, whose sum is σ = 12137403534. Its totient is φ = 12137403532.

The previous prime is 12137403529. The next prime is 12137403599. The reversal of 12137403533 is 33530473121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8810075044 + 3327328489 = 93862^2 + 57683^2 .

It is a cyclic number.

It is not a de Polignac number, because 12137403533 - 2² = 12137403529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12137403533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12137403503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6068701766 + 6068701767.

It is an arithmetic number, because the mean of its divisors is an integer number (6068701767).

Almost surely, 2^12137403533 is an apocalyptic number.

It is an amenable number.

12137403533 is a deficient number, since it is larger than the sum of its proper divisors (1).

12137403533 is an equidigital number, since it uses as much as digits as its factorization.

12137403533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 32.

Adding to 12137403533 its reverse (33530473121), we get a palindrome (45667876654).

The spelling of 12137403533 in words is "twelve billion, one hundred thirty-seven million, four hundred three thousand, five hundred thirty-three".