1201200330020 has 12 divisors (see below), whose sum is σ = 2522520693084. Its totient is φ = 480480132000.

The previous prime is 1201200330017. The next prime is 1201200330091. The reversal of 1201200330020 is 200330021021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 433869881344 + 767330448676 = 658688^2 + 875974^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201200329977 and 1201200330004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30030008231 + ... + 30030008270.

It is an arithmetic number, because the mean of its divisors is an integer number (210210057757).

Almost surely, 2^{1201200330020} is an apocalyptic number.

1201200330020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201200330020 is an abundant number, since it is smaller than the sum of its proper divisors (1321320363064).

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

1201200330020 is a wasteful number, since it uses less digits than its factorization.

1201200330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60060016510 (or 60060016508 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1201200330020 its reverse (200330021021), we get a palindrome (1401530351041).

The spelling of 1201200330020 in words is "one trillion, two hundred one billion, two hundred million, three hundred thirty thousand, twenty".