1203031000000 has 196 divisors, whose sum is σ = 2990077507768. Its totient is φ = 480240000000.

The previous prime is 1203030999949. The next prime is 1203031000001. The reversal of 1203031000000 is 1303021.

It is a super-2 number, since 2×1203031000000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203031000001) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 690999130 + ... + 691000870.

Almost surely, 2^{1203031000000} is an apocalyptic number.

1203031000000 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 1203031000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1495038753884).

1203031000000 is an abundant number, since it is smaller than the sum of its proper divisors (1787046507768).

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

1203031000000 is an frugal number, since it uses more digits than its factorization.

1203031000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474 (or 2439 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 1203031000000 its reverse (1303021), we get a palindrome (1203032303021).

The spelling of 1203031000000 in words is "one trillion, two hundred three billion, thirty-one million", and thus it is an aban number.