1201200310221 has 32 divisors (see below), whose sum is σ = 1688924160000. Its totient is φ = 757291083840.

The previous prime is 1201200310187. The next prime is 1201200310231. The reversal of 1201200310221 is 1220130021021.

It is not a de Polignac number, because 1201200310221 - 2⁹ = 1201200309709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201200310221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201200310231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76263655 + ... + 76279403.

It is an arithmetic number, because the mean of its divisors is an integer number (52778880000).

Almost surely, 2^{1201200310221} is an apocalyptic number.

It is an amenable number.

1201200310221 is a deficient number, since it is larger than the sum of its proper divisors (487723849779).

1201200310221 is a wasteful number, since it uses less digits than its factorization.

1201200310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18089.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1201200310221 its reverse (1220130021021), we get a palindrome (2421330331242).

The spelling of 1201200310221 in words is "one trillion, two hundred one billion, two hundred million, three hundred ten thousand, two hundred twenty-one".