1003402131200 has 216 divisors, whose sum is σ = 2874312698880. Its totient is φ = 339667660800.

The previous prime is 1003402131167. The next prime is 1003402131229. The reversal of 1003402131200 is 21312043001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3397445 + ... + 3680955.

Almost surely, 2^{1003402131200} is an apocalyptic number.

1003402131200 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 1003402131200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1437156349440).

1003402131200 is an abundant number, since it is smaller than the sum of its proper divisors (1870910567680).

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

1003402131200 is an equidigital number, since it uses as much as digits as its factorization.

1003402131200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283623 (or 283604 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1003402131200 its reverse (21312043001), we get a palindrome (1024714174201).

The spelling of 1003402131200 in words is "one trillion, three billion, four hundred two million, one hundred thirty-one thousand, two hundred".