1213425255103 has 2 divisors, whose sum is σ = 1213425255104. Its totient is φ = 1213425255102.

The previous prime is 1213425255083. The next prime is 1213425255113. The reversal of 1213425255103 is 3015525243121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213425255103 - 2²¹ = 1213423157951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213425255113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606712627551 + 606712627552.

It is an arithmetic number, because the mean of its divisors is an integer number (606712627552).

Almost surely, 2^{1213425255103} is an apocalyptic number.

1213425255103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213425255103 is an equidigital number, since it uses as much as digits as its factorization.

1213425255103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 1213425255103 in words is "one trillion, two hundred thirteen billion, four hundred twenty-five million, two hundred fifty-five thousand, one hundred three".