13133122042 has 4 divisors (see below), whose sum is σ = 19699683066. Its totient is φ = 6566561020.

The previous prime is 13133122021. The next prime is 13133122099. The reversal of 13133122042 is 24022133131.

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., 10502355361 + 2630766681 = 102481^2 + 51291^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3283280509 + ... + 3283280512.

Almost surely, 2^13133122042 is an apocalyptic number.

13133122042 is a deficient number, since it is larger than the sum of its proper divisors (6566561024).

13133122042 is an equidigital number, since it uses as much as digits as its factorization.

13133122042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6566561023.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13133122042 its reverse (24022133131), we get a palindrome (37155255173).

The spelling of 13133122042 in words is "thirteen billion, one hundred thirty-three million, one hundred twenty-two thousand, forty-two".