13122043402 has 16 divisors (see below), whose sum is σ = 22444038792. Its totient is φ = 5700072960.

The previous prime is 13122043391. The next prime is 13122043469. The reversal of 13122043402 is 20434022131.

It can be written as a sum of positive squares in 4 ways, for example, as 12197214481 + 924828921 = 110441^2 + 30411^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14843499 + ... + 14844382.

Almost surely, 2^13122043402 is an apocalyptic number.

13122043402 is a deficient number, since it is larger than the sum of its proper divisors (9321995390).

13122043402 is a wasteful number, since it uses less digits than its factorization.

13122043402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29687913.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13122043402 its reverse (20434022131), we get a palindrome (33556065533).

The spelling of 13122043402 in words is "thirteen billion, one hundred twenty-two million, forty-three thousand, four hundred two".