1203042001320 has 128 divisors (see below), whose sum is σ = 4010389488000. Its totient is φ = 320791242240.

The previous prime is 1203042001313. The next prime is 1203042001391. The reversal of 1203042001320 is 231002403021.

1203042001320 is a `hidden beast` number, since 1 + 20 + 304 + 20 + 0 + 1 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1203042001293 and 1203042001302.

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, 27344140 + ... + 27388100.

It is an arithmetic number, because the mean of its divisors is an integer number (31331167875).

Almost surely, 2^{1203042001320} is an apocalyptic number.

1203042001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203042001320 is an abundant number, since it is smaller than the sum of its proper divisors (2807347486680).

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

1203042001320 is a wasteful number, since it uses less digits than its factorization.

1203042001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69320 (or 69310 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1203042001320 its reverse (231002403021), we get a palindrome (1434044404341).

The spelling of 1203042001320 in words is "one trillion, two hundred three billion, forty-two million, one thousand, three hundred twenty".