12870890138933 has 2 divisors, whose sum is σ = 12870890138934. Its totient is φ = 12870890138932.

The previous prime is 12870890138927. The next prime is 12870890138963. The reversal of 12870890138933 is 33983109807821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10789339492369 + 2081550646564 = 3284713^2 + 1442758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12870890138933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12870890138923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6435445069466 + 6435445069467.

It is an arithmetic number, because the mean of its divisors is an integer number (6435445069467).

Almost surely, 2^{12870890138933} is an apocalyptic number.

It is an amenable number.

12870890138933 is a deficient number, since it is larger than the sum of its proper divisors (1).

12870890138933 is an equidigital number, since it uses as much as digits as its factorization.

12870890138933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 62.

The spelling of 12870890138933 in words is "twelve trillion, eight hundred seventy billion, eight hundred ninety million, one hundred thirty-eight thousand, nine hundred thirty-three".