122312221042243 has 8 divisors (see below), whose sum is σ = 123993166614768. Its totient is φ = 120631422380544.

The previous prime is 122312221042223. The next prime is 122312221042259. The reversal of 122312221042243 is 342240122213221.

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-122312221042243 is a prime.

It is a super-2 number, since 2×122312221042243² (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 (122312221042223) 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, 35050621 + ... + 38381902.

It is an arithmetic number, because the mean of its divisors is an integer number (15499145826846).

Almost surely, 2^{122312221042243} is an apocalyptic number.

122312221042243 is a deficient number, since it is larger than the sum of its proper divisors (1680945572525).

122312221042243 is an equidigital number, since it uses as much as digits as its factorization.

122312221042243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73455413.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 122312221042243 its reverse (342240122213221), we get a palindrome (464552343255464).

The spelling of 122312221042243 in words is "one hundred twenty-two trillion, three hundred twelve billion, two hundred twenty-one million, forty-two thousand, two hundred forty-three".