1201032013320 has 160 divisors (see below), whose sum is σ = 4274261184600. Its totient is φ = 301435471872.

The previous prime is 1201032013277. The next prime is 1201032013327. The reversal of 1201032013320 is 233102301021.

1201032013320 is a `hidden beast` number, since 1 + 2 + 0 + 10 + 320 + 1 + 332 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1038650416164 + 162381597156 = 1019142^2 + 402966^2 .

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 = 1201032013293 and 1201032013302.

It is not an unprimeable number, because it can be changed into a prime (1201032013327) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10847535 + ... + 10957694.

Almost surely, 2^{1201032013320} is an apocalyptic number.

1201032013320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201032013320 is an abundant number, since it is smaller than the sum of its proper divisors (3073229171280).

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

1201032013320 is a wasteful number, since it uses less digits than its factorization.

1201032013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21805269 (or 21805256 counting only the distinct ones).

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

Adding to 1201032013320 its reverse (233102301021), we get a palindrome (1434134314341).

The spelling of 1201032013320 in words is "one trillion, two hundred one billion, thirty-two million, thirteen thousand, three hundred twenty".