38121012233 has 2 divisors, whose sum is σ = 38121012234. Its totient is φ = 38121012232.

The previous prime is 38121012217. The next prime is 38121012239. The reversal of 38121012233 is 33221012183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23185239289 + 14935772944 = 152267^2 + 122212^2 .

It is an emirp because it is prime and its reverse (33221012183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38121012233 - 2⁴ = 38121012217 is a prime.

It is not a weakly prime, because it can be changed into another prime (38121012239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19060506116 + 19060506117.

It is an arithmetic number, because the mean of its divisors is an integer number (19060506117).

Almost surely, 2^38121012233 is an apocalyptic number.

It is an amenable number.

38121012233 is a deficient number, since it is larger than the sum of its proper divisors (1).

38121012233 is an equidigital number, since it uses as much as digits as its factorization.

38121012233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 38121012233 in words is "thirty-eight billion, one hundred twenty-one million, twelve thousand, two hundred thirty-three".