1241203201220 has 12 divisors (see below), whose sum is σ = 2606526722604. Its totient is φ = 496481280480.

The previous prime is 1241203201219. The next prime is 1241203201237. The reversal of 1241203201220 is 221023021421.

It can be written as a sum of positive squares in 2 ways, for example, as 578229451396 + 662973749824 = 760414^2 + 814232^2 .

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: 62060160061 = 1241203201220 / (1 + 2 + 4 + 1 + 2 + 0 + 3 + 2 + 0 + 1 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1241203201192 and 1241203201201.

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, 31030080011 + ... + 31030080050.

It is an arithmetic number, because the mean of its divisors is an integer number (217210560217).

Almost surely, 2^{1241203201220} is an apocalyptic number.

1241203201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241203201220 is an abundant number, since it is smaller than the sum of its proper divisors (1365323521384).

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

1241203201220 is a wasteful number, since it uses less digits than its factorization.

1241203201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62060160070 (or 62060160068 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1241203201220 its reverse (221023021421), we get a palindrome (1462226222641).

The spelling of 1241203201220 in words is "one trillion, two hundred forty-one billion, two hundred three million, two hundred one thousand, two hundred twenty".