1201032031320 has 96 divisors (see below), whose sum is σ = 4258204488720. Its totient is φ = 291159279360.

The previous prime is 1201032031291. The next prime is 1201032031369. The reversal of 1201032031320 is 231302301021.

1201032031320 is a `hidden beast` number, since 1 + 2 + 0 + 10 + 320 + 313 + 20 = 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 = 1201032031293 and 1201032031302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151641499 + ... + 151649418.

Almost surely, 2^{1201032031320} is an apocalyptic number.

1201032031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201032031320 is an abundant number, since it is smaller than the sum of its proper divisors (3057172457400).

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

1201032031320 is a wasteful number, since it uses less digits than its factorization.

1201032031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303290945 (or 303290938 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1201032031320 its reverse (231302301021), we get a palindrome (1432334332341).

The spelling of 1201032031320 in words is "one trillion, two hundred one billion, thirty-two million, thirty-one thousand, three hundred twenty".