122143323212201 has 12 divisors (see below), whose sum is σ = 122748563333760. Its totient is φ = 121541007751200.

The previous prime is 122143323212189. The next prime is 122143323212297. The reversal of 122143323212201 is 102212323341221.

It is a de Polignac number, because none of the positive numbers 2^k-122143323212201 is a prime.

It is a super-2 number, since 2×122143323212201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122143323212101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83914976 + ... + 85358126.

It is an arithmetic number, because the mean of its divisors is an integer number (10229046944480).

Almost surely, 2^{122143323212201} is an apocalyptic number.

It is an amenable number.

122143323212201 is a deficient number, since it is larger than the sum of its proper divisors (605240121559).

122143323212201 is an equidigital number, since it uses as much as digits as its factorization.

122143323212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445176 (or 1444943 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 122143323212201 its reverse (102212323341221), we get a palindrome (224355646553422).

The spelling of 122143323212201 in words is "one hundred twenty-two trillion, one hundred forty-three billion, three hundred twenty-three million, two hundred twelve thousand, two hundred one".