1212265277603 has 2 divisors, whose sum is σ = 1212265277604. Its totient is φ = 1212265277602.

The previous prime is 1212265277599. The next prime is 1212265277623. The reversal of 1212265277603 is 3067725622121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212265277603 - 2² = 1212265277599 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212265277623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606132638801 + 606132638802.

It is an arithmetic number, because the mean of its divisors is an integer number (606132638802).

Almost surely, 2^{1212265277603} is an apocalyptic number.

1212265277603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212265277603 is an equidigital number, since it uses as much as digits as its factorization.

1212265277603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 1212265277603 in words is "one trillion, two hundred twelve billion, two hundred sixty-five million, two hundred seventy-seven thousand, six hundred three".