1212625481603 has 2 divisors, whose sum is σ = 1212625481604. Its totient is φ = 1212625481602.

The previous prime is 1212625481593. The next prime is 1212625481623. The reversal of 1212625481603 is 3061845262121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212625481603 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212625481623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606312740801 + 606312740802.

It is an arithmetic number, because the mean of its divisors is an integer number (606312740802).

Almost surely, 2^{1212625481603} is an apocalyptic number.

1212625481603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212625481603 is an equidigital number, since it uses as much as digits as its factorization.

1212625481603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 1212625481603 in words is "one trillion, two hundred twelve billion, six hundred twenty-five million, four hundred eighty-one thousand, six hundred three".