1270445347802 has 4 divisors (see below), whose sum is σ = 1905668021706. Its totient is φ = 635222673900.

The previous prime is 1270445347753. The next prime is 1270445347933. The reversal of 1270445347802 is 2087435440721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 809620244521 + 460825103281 = 899789^2 + 678841^2 .

It is a super-2 number, since 2×1270445347802² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317611336949 + ... + 317611336952.

Almost surely, 2^{1270445347802} is an apocalyptic number.

1270445347802 is a deficient number, since it is larger than the sum of its proper divisors (635222673904).

1270445347802 is an equidigital number, since it uses as much as digits as its factorization.

1270445347802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635222673903.

The product of its (nonzero) digits is 1505280, while the sum is 47.

The spelling of 1270445347802 in words is "one trillion, two hundred seventy billion, four hundred forty-five million, three hundred forty-seven thousand, eight hundred two".