1203013323120 has 160 divisors (see below), whose sum is σ = 4264022942208. Its totient is φ = 274850694144.

The previous prime is 1203013323049. The next prime is 1203013323133. The reversal of 1203013323120 is 213233103021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3598107 + ... + 3918213.

Almost surely, 2^{1203013323120} is an apocalyptic number.

1203013323120 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 1203013323120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2132011471104).

1203013323120 is an abundant number, since it is smaller than the sum of its proper divisors (3061009619088).

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

1203013323120 is a wasteful number, since it uses less digits than its factorization.

1203013323120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322367 (or 322361 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1203013323120 its reverse (213233103021), we get a palindrome (1416246426141).

The spelling of 1203013323120 in words is "one trillion, two hundred three billion, thirteen million, three hundred twenty-three thousand, one hundred twenty".