1201323231022 has 8 divisors (see below), whose sum is σ = 1802200600656. Its totient is φ = 600589697472.

The previous prime is 1201323230923. The next prime is 1201323231049. The reversal of 1201323231022 is 2201323231021.

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 = 1201323230984 and 1201323231002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35938138 + ... + 35971549.

It is an arithmetic number, because the mean of its divisors is an integer number (225275075082).

Almost surely, 2^{1201323231022} is an apocalyptic number.

1201323231022 is a deficient number, since it is larger than the sum of its proper divisors (600877369634).

1201323231022 is an equidigital number, since it uses as much as digits as its factorization.

1201323231022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71918042.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1201323231022 its reverse (2201323231021), we get a palindrome (3402646462043).

Subtracting 1201323231022 from its reverse (2201323231021), we obtain a palindrome (999999999999).

The spelling of 1201323231022 in words is "one trillion, two hundred one billion, three hundred twenty-three million, two hundred thirty-one thousand, twenty-two".