122143343231 has 32 divisors (see below), whose sum is σ = 159218131968. Its totient is φ = 90930470400.

The previous prime is 122143343207. The next prime is 122143343233. The reversal of 122143343231 is 132343341221.

It is not a de Polignac number, because 122143343231 - 2³⁰ = 121069601407 is a prime.

It is a super-2 number, since 2×122143343231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122143343194 and 122143343203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122143343233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6833456 + ... + 6851306.

It is an arithmetic number, because the mean of its divisors is an integer number (4975566624).

Almost surely, 2^122143343231 is an apocalyptic number.

122143343231 is a deficient number, since it is larger than the sum of its proper divisors (37074788737).

122143343231 is a wasteful number, since it uses less digits than its factorization.

122143343231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22311.

The product of its digits is 10368, while the sum is 29.

Adding to 122143343231 its reverse (132343341221), we get a palindrome (254486684452).

The spelling of 122143343231 in words is "one hundred twenty-two billion, one hundred forty-three million, three hundred forty-three thousand, two hundred thirty-one".