12220402434 has 16 divisors (see below), whose sum is σ = 25878499488. Its totient is φ = 3833851712.

The previous prime is 12220402421. The next prime is 12220402459. The reversal of 12220402434 is 43420402221.

It is an unprimeable number.

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, 59903832 + ... + 59904035.

It is an arithmetic number, because the mean of its divisors is an integer number (1617406218).

Almost surely, 2^12220402434 is an apocalyptic number.

12220402434 is an abundant number, since it is smaller than the sum of its proper divisors (13658097054).

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

12220402434 is a wasteful number, since it uses less digits than its factorization.

12220402434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119807889.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 12220402434 its reverse (43420402221), we get a palindrome (55640804655).

The spelling of 12220402434 in words is "twelve billion, two hundred twenty million, four hundred two thousand, four hundred thirty-four".