1201032301221 has 32 divisors (see below), whose sum is σ = 1816847147520. Its totient is φ = 783955314432.

The previous prime is 1201032301211. The next prime is 1201032301303. The reversal of 1201032301221 is 1221032301021.

1201032301221 is a `hidden beast` number, since 120 + 1 + 0 + 323 + 0 + 1 + 221 = 666.

It is not a de Polignac number, because 1201032301221 - 2¹⁰ = 1201032300197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201032301194 and 1201032301203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201032301211) 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 31 ways as a sum of consecutive naturals, for example, 1953885 + ... + 2493938.

It is an arithmetic number, because the mean of its divisors is an integer number (56776473360).

Almost surely, 2^{1201032301221} is an apocalyptic number.

It is an amenable number.

1201032301221 is a deficient number, since it is larger than the sum of its proper divisors (615814846299).

1201032301221 is a wasteful number, since it uses less digits than its factorization.

1201032301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448042 (or 4448036 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1201032301221 its reverse (1221032301021), we get a palindrome (2422064602242).

The spelling of 1201032301221 in words is "one trillion, two hundred one billion, thirty-two million, three hundred one thousand, two hundred twenty-one".