123412141042 has 4 divisors (see below), whose sum is σ = 185118211566. Its totient is φ = 61706070520.

The previous prime is 123412141031. The next prime is 123412141057. The reversal of 123412141042 is 240141214321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240141214321 = 431 ⋅557172191.

It can be written as a sum of positive squares in only one way, i.e., 103915324881 + 19496816161 = 322359^2 + 139631^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123412140998 and 123412141016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30853035259 + ... + 30853035262.

Almost surely, 2^123412141042 is an apocalyptic number.

123412141042 is a deficient number, since it is larger than the sum of its proper divisors (61706070524).

123412141042 is an equidigital number, since it uses as much as digits as its factorization.

123412141042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61706070523.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 123412141042 its reverse (240141214321), we get a palindrome (363553355363).

The spelling of 123412141042 in words is "one hundred twenty-three billion, four hundred twelve million, one hundred forty-one thousand, forty-two".