1260204878072 has 32 divisors (see below), whose sum is σ = 2701553817600. Its totient is φ = 539864846304.

The previous prime is 1260204878071. The next prime is 1260204878117. The reversal of 1260204878072 is 2708784020621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260204878071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4508072 + ... + 4779447.

It is an arithmetic number, because the mean of its divisors is an integer number (84423556800).

Almost surely, 2^{1260204878072} is an apocalyptic number.

It is an amenable number.

1260204878072 is an abundant number, since it is smaller than the sum of its proper divisors (1441348939528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1260204878072 is a wasteful number, since it uses less digits than its factorization.

1260204878072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9289955 (or 9289951 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 47.

Adding to 1260204878072 its reverse (2708784020621), we get a palindrome (3968988898693).

The spelling of 1260204878072 in words is "one trillion, two hundred sixty billion, two hundred four million, eight hundred seventy-eight thousand, seventy-two".