1262513113122 has 8 divisors (see below), whose sum is σ = 2525026226256. Its totient is φ = 420837704372.

The previous prime is 1262513113093. The next prime is 1262513113123. The reversal of 1262513113122 is 2213113152621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1262513113122 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1262513113122.

It is not an unprimeable number, because it can be changed into a prime (1262513113123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105209426088 + ... + 105209426099.

It is an arithmetic number, because the mean of its divisors is an integer number (315628278282).

Almost surely, 2^{1262513113122} is an apocalyptic number.

1262513113122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1262513113122 is a wasteful number, since it uses less digits than its factorization.

1262513113122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210418852192.

The product of its digits is 4320, while the sum is 30.

Adding to 1262513113122 its reverse (2213113152621), we get a palindrome (3475626265743).

The spelling of 1262513113122 in words is "one trillion, two hundred sixty-two billion, five hundred thirteen million, one hundred thirteen thousand, one hundred twenty-two".