1220231230202 has 32 divisors (see below), whose sum is σ = 1880167161600. Its totient is φ = 593593171200.

The previous prime is 1220231230201. The next prime is 1220231230307. The reversal of 1220231230202 is 2020321320221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1220231230201) 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 15 ways as a sum of consecutive naturals, for example, 48465077 + ... + 48490247.

It is an arithmetic number, because the mean of its divisors is an integer number (58755223800).

Almost surely, 2^{1220231230202} is an apocalyptic number.

1220231230202 is a deficient number, since it is larger than the sum of its proper divisors (659935931398).

1220231230202 is a wasteful number, since it uses less digits than its factorization.

1220231230202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26822.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1220231230202 its reverse (2020321320221), we get a palindrome (3240552550423).

The spelling of 1220231230202 in words is "one trillion, two hundred twenty billion, two hundred thirty-one million, two hundred thirty thousand, two hundred two".