102120012000203 has 2 divisors, whose sum is σ = 102120012000204. Its totient is φ = 102120012000202.

The previous prime is 102120012000163. The next prime is 102120012000257. The reversal of 102120012000203 is 302000210021201.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (302000210021201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102120012000203 - 2²⁶ = 102119944891339 is a prime.

It is not a weakly prime, because it can be changed into another prime (102120012000103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060006000101 + 51060006000102.

It is an arithmetic number, because the mean of its divisors is an integer number (51060006000102).

Almost surely, 2^{102120012000203} is an apocalyptic number.

102120012000203 is a deficient number, since it is larger than the sum of its proper divisors (1).

102120012000203 is an equidigital number, since it uses as much as digits as its factorization.

102120012000203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102120012000203 its reverse (302000210021201), we get a palindrome (404120222021404).

The spelling of 102120012000203 in words is "one hundred two trillion, one hundred twenty billion, twelve million, two hundred three", and thus it is an aban number.