1303111020120 has 256 divisors, whose sum is σ = 4941528560640. Its totient is φ = 267511154688.

The previous prime is 1303111020119. The next prime is 1303111020151. The reversal of 1303111020120 is 210201113031.

It is a happy number.

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 1303111020120.

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, 1208562 + ... + 2016641.

It is an arithmetic number, because the mean of its divisors is an integer number (19302845940).

Almost surely, 2^{1303111020120} is an apocalyptic number.

1303111020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303111020120 is an abundant number, since it is smaller than the sum of its proper divisors (3638417540520).

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

1303111020120 is a wasteful number, since it uses less digits than its factorization.

1303111020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225274 (or 3225270 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1303111020120 its reverse (210201113031), we get a palindrome (1513312133151).

The spelling of 1303111020120 in words is "one trillion, three hundred three billion, one hundred eleven million, twenty thousand, one hundred twenty".