12013404402 has 16 divisors (see below), whose sum is σ = 24055456320. Its totient is φ = 3999693552.

The previous prime is 12013404401. The next prime is 12013404421. The reversal of 12013404402 is 20440431021.

It is not an unprimeable number, because it can be changed into a prime (12013404401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188193 + ... + 1198260.

It is an arithmetic number, because the mean of its divisors is an integer number (1503466020).

Almost surely, 2^12013404402 is an apocalyptic number.

12013404402 is an abundant number, since it is smaller than the sum of its proper divisors (12042051918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12013404402 is a wasteful number, since it uses less digits than its factorization.

12013404402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387297.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12013404402 its reverse (20440431021), we get a palindrome (32453835423).

The spelling of 12013404402 in words is "twelve billion, thirteen million, four hundred four thousand, four hundred two".