1203301021120 has 112 divisors (see below), whose sum is σ = 3127319432928. Its totient is φ = 437358018560.

The previous prime is 1203301021073. The next prime is 1203301021159. The reversal of 1203301021120 is 211201033021.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1203301021094 and 1203301021103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7499172 + ... + 7657948.

Almost surely, 2^{1203301021120} is an apocalyptic number.

1203301021120 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 1203301021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1563659716464).

1203301021120 is an abundant number, since it is smaller than the sum of its proper divisors (1924018411808).

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

1203301021120 is a wasteful number, since it uses less digits than its factorization.

1203301021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160958 (or 160948 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1203301021120 its reverse (211201033021), we get a palindrome (1414502054141).

The spelling of 1203301021120 in words is "one trillion, two hundred three billion, three hundred one million, twenty-one thousand, one hundred twenty".