1213301033120 has 48 divisors (see below), whose sum is σ = 3127007667168. Its totient is φ = 441200375040.

The previous prime is 1213301033117. The next prime is 1213301033141. The reversal of 1213301033120 is 213301033121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1213301033092 and 1213301033101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344686034 + ... + 344689553.

It is an arithmetic number, because the mean of its divisors is an integer number (65145993066).

Almost surely, 2^{1213301033120} is an apocalyptic number.

1213301033120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213301033120 is an abundant number, since it is smaller than the sum of its proper divisors (1913706634048).

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

1213301033120 is a wasteful number, since it uses less digits than its factorization.

1213301033120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689375613 (or 689375605 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1213301033120 its reverse (213301033121), we get a palindrome (1426602066241).

Subtracting from 1213301033120 its reverse (213301033121), we obtain a palindrome (999999999999).

The spelling of 1213301033120 in words is "one trillion, two hundred thirteen billion, three hundred one million, thirty-three thousand, one hundred twenty".