1201032311320 has 16 divisors (see below), whose sum is σ = 2702322700560. Its totient is φ = 480412924512.

The previous prime is 1201032311317. The next prime is 1201032311321. The reversal of 1201032311320 is 231132301021.

It is a super-2 number, since 2×1201032311320² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201032311321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15012903852 + ... + 15012903931.

It is an arithmetic number, because the mean of its divisors is an integer number (168895168785).

Almost surely, 2^{1201032311320} is an apocalyptic number.

1201032311320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201032311320 is an abundant number, since it is smaller than the sum of its proper divisors (1501290389240).

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

1201032311320 is a wasteful number, since it uses less digits than its factorization.

1201032311320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30025807794 (or 30025807790 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1201032311320 its reverse (231132301021), we get a palindrome (1432164612341).

The spelling of 1201032311320 in words is "one trillion, two hundred one billion, thirty-two million, three hundred eleven thousand, three hundred twenty".