1013260122240 has 256 divisors, whose sum is σ = 3271358361600. Its totient is φ = 266728550400.

The previous prime is 1013260122221. The next prime is 1013260122241. The reversal of 1013260122240 is 422210623101.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1013260122240.

It is not an unprimeable number, because it can be changed into a prime (1013260122241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310909731 + ... + 310912989.

It is an arithmetic number, because the mean of its divisors is an integer number (12778743600).

Almost surely, 2^{1013260122240} is an apocalyptic number.

1013260122240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013260122240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1635679180800).

1013260122240 is an abundant number, since it is smaller than the sum of its proper divisors (2258098239360).

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

1013260122240 is a wasteful number, since it uses less digits than its factorization.

1013260122240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315 (or 5303 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1013260122240 its reverse (422210623101), we get a palindrome (1435470745341).

The spelling of 1013260122240 in words is "one trillion, thirteen billion, two hundred sixty million, one hundred twenty-two thousand, two hundred forty".