1201120013320 has 32 divisors (see below), whose sum is σ = 2702708988120. Its totient is φ = 480414412800.

The previous prime is 1201120013273. The next prime is 1201120013347. The reversal of 1201120013320 is 233100211021.

It can be written as a sum of positive squares in 4 ways, for example, as 1146488430564 + 54631582756 = 1070742^2 + 233734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201120013294 and 1201120013303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466527 + ... + 1618606.

Almost surely, 2^{1201120013320} is an apocalyptic number.

1201120013320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201120013320 is an abundant number, since it is smaller than the sum of its proper divisors (1501588974800).

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

1201120013320 is a wasteful number, since it uses less digits than its factorization.

1201120013320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099545 (or 2099541 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1201120013320 its reverse (233100211021), we get a palindrome (1434220224341).

The spelling of 1201120013320 in words is "one trillion, two hundred one billion, one hundred twenty million, thirteen thousand, three hundred twenty".