122401310223145 has 8 divisors (see below), whose sum is σ = 146914795902600. Its totient is φ = 97898899088640.

The previous prime is 122401310223131. The next prime is 122401310223163. The reversal of 122401310223145 is 541322013104221.

It can be written as a sum of positive squares in 4 ways, for example, as 24469128570384 + 97932181652761 = 4946628^2 + 9896069^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-122401310223145 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2768611920 + ... + 2768656129.

It is an arithmetic number, because the mean of its divisors is an integer number (18364349487825).

Almost surely, 2^{122401310223145} is an apocalyptic number.

It is an amenable number.

122401310223145 is a deficient number, since it is larger than the sum of its proper divisors (24513485679455).

122401310223145 is an equidigital number, since it uses as much as digits as its factorization.

122401310223145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5537272475.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 122401310223145 its reverse (541322013104221), we get a palindrome (663723323327366).

The spelling of 122401310223145 in words is "one hundred twenty-two trillion, four hundred one billion, three hundred ten million, two hundred twenty-three thousand, one hundred forty-five".