1231201002223 has 8 divisors (see below), whose sum is σ = 1261626600960. Its totient is φ = 1201093996440.

The previous prime is 1231201002181. The next prime is 1231201002263. The reversal of 1231201002223 is 3222001021321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231201002223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1231201002223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231201002263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79640415 + ... + 79655872.

It is an arithmetic number, because the mean of its divisors is an integer number (157703325120).

Almost surely, 2^{1231201002223} is an apocalyptic number.

1231201002223 is a deficient number, since it is larger than the sum of its proper divisors (30425598737).

1231201002223 is a wasteful number, since it uses less digits than its factorization.

1231201002223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159296477.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1231201002223 its reverse (3222001021321), we get a palindrome (4453202023544).

The spelling of 1231201002223 in words is "one trillion, two hundred thirty-one billion, two hundred one million, two thousand, two hundred twenty-three".