12435244078 has 16 divisors (see below), whose sum is σ = 19471927680. Its totient is φ = 5944825656.

The previous prime is 12435244061. The next prime is 12435244103. The reversal of 12435244078 is 87044253421.

It is a self number, because there is not a number n which added to its sum of digits gives 12435244078.

It is a congruent number.

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, 58693 + ... + 168271.

It is an arithmetic number, because the mean of its divisors is an integer number (1216995480).

Almost surely, 2^12435244078 is an apocalyptic number.

12435244078 is a deficient number, since it is larger than the sum of its proper divisors (7036683602).

12435244078 is a wasteful number, since it uses less digits than its factorization.

12435244078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112071.

The product of its (nonzero) digits is 215040, while the sum is 40.

Adding to 12435244078 its reverse (87044253421), we get a palindrome (99479497499).

The spelling of 12435244078 in words is "twelve billion, four hundred thirty-five million, two hundred forty-four thousand, seventy-eight".