34012421042 has 4 divisors (see below), whose sum is σ = 51018631566. Its totient is φ = 17006210520.

The previous prime is 34012421021. The next prime is 34012421059. The reversal of 34012421042 is 24012421043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17231550361 + 16780870681 = 131269^2 + 129541^2 .

It is a junction number, because it is equal to n+sod(n) for n = 34012420999 and 34012421017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8503105259 + ... + 8503105262.

Almost surely, 2^34012421042 is an apocalyptic number.

34012421042 is a deficient number, since it is larger than the sum of its proper divisors (17006210524).

34012421042 is a wasteful number, since it uses less digits than its factorization.

34012421042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17006210523.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 34012421042 its reverse (24012421043), we get a palindrome (58024842085).

Subtracting from 34012421042 its reverse (24012421043), we obtain a palindrome (9999999999).

The spelling of 34012421042 in words is "thirty-four billion, twelve million, four hundred twenty-one thousand, forty-two".