1303001012220 has 192 divisors, whose sum is σ = 3698032665600. Its totient is φ = 342782668800.

The previous prime is 1303001012207. The next prime is 1303001012249. The reversal of 1303001012220 is 222101003031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1303001012220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 957384340 + ... + 957385700.

It is an arithmetic number, because the mean of its divisors is an integer number (19260586800).

Almost surely, 2^{1303001012220} is an apocalyptic number.

1303001012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303001012220 is an abundant number, since it is smaller than the sum of its proper divisors (2395031653380).

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

1303001012220 is a wasteful number, since it uses less digits than its factorization.

1303001012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196 (or 2194 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1303001012220 its reverse (222101003031), we get a palindrome (1525102015251).

The spelling of 1303001012220 in words is "one trillion, three hundred three billion, one million, twelve thousand, two hundred twenty".