1223312123201 has 8 divisors (see below), whose sum is σ = 1402624977600. Its totient is φ = 1045137763728.

The previous prime is 1223312123179. The next prime is 1223312123239. The reversal of 1223312123201 is 1023212133221.

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

It is a cyclic number.

It is not a de Polignac number, because 1223312123201 - 2¹⁴ = 1223312106817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1223312123281) 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, 284621426 + ... + 284625723.

It is an arithmetic number, because the mean of its divisors is an integer number (175328122200).

Almost surely, 2^{1223312123201} is an apocalyptic number.

It is an amenable number.

1223312123201 is a deficient number, since it is larger than the sum of its proper divisors (179312854399).

1223312123201 is an equidigital number, since it uses as much as digits as its factorization.

1223312123201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569247463.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1223312123201 its reverse (1023212133221), we get a palindrome (2246524256422).

The spelling of 1223312123201 in words is "one trillion, two hundred twenty-three billion, three hundred twelve million, one hundred twenty-three thousand, two hundred one".