1231002203222 has 8 divisors (see below), whose sum is σ = 2014367241672. Its totient is φ = 559546456000.

The previous prime is 1231002203161. The next prime is 1231002203227. The reversal of 1231002203222 is 2223022001321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1231002203194 and 1231002203203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231002203227) 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 3 ways as a sum of consecutive naturals, for example, 27977322779 + ... + 27977322822.

It is an arithmetic number, because the mean of its divisors is an integer number (251795905209).

Almost surely, 2^{1231002203222} is an apocalyptic number.

1231002203222 is a deficient number, since it is larger than the sum of its proper divisors (783365038450).

1231002203222 is a wasteful number, since it uses less digits than its factorization.

1231002203222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55954645614.

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

Adding to 1231002203222 its reverse (2223022001321), we get a palindrome (3454024204543).

The spelling of 1231002203222 in words is "one trillion, two hundred thirty-one billion, two million, two hundred three thousand, two hundred twenty-two".