1201132303220 has 12 divisors (see below), whose sum is σ = 2522377836804. Its totient is φ = 480452921280.

The previous prime is 1201132303219. The next prime is 1201132303223. The reversal of 1201132303220 is 223032311021.

It can be written as a sum of positive squares in 2 ways, for example, as 307354924816 + 893777378404 = 554396^2 + 945398^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 60056615161 = 1201132303220 / (1 + 2 + 0 + 1 + 1 + 3 + 2 + 3 + 0 + 3 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1201132303192 and 1201132303201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201132303223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30028307561 + ... + 30028307600.

It is an arithmetic number, because the mean of its divisors is an integer number (210198153067).

Almost surely, 2^{1201132303220} is an apocalyptic number.

1201132303220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201132303220 is an abundant number, since it is smaller than the sum of its proper divisors (1321245533584).

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

1201132303220 is a wasteful number, since it uses less digits than its factorization.

1201132303220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60056615170 (or 60056615168 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1201132303220 its reverse (223032311021), we get a palindrome (1424164614241).

The spelling of 1201132303220 in words is "one trillion, two hundred one billion, one hundred thirty-two million, three hundred three thousand, two hundred twenty".