12502709442 has 48 divisors (see below), whose sum is σ = 27848463552. Its totient is φ = 4050980640.

The previous prime is 12502709407. The next prime is 12502709447. The reversal of 12502709442 is 24490720521.

It is a junction number, because it is equal to n+sod(n) for n = 12502709397 and 12502709406.

It is not an unprimeable number, because it can be changed into a prime (12502709447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 718003 + ... + 735209.

It is an arithmetic number, because the mean of its divisors is an integer number (580176324).

Almost surely, 2^12502709442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12502709442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13924231776).

12502709442 is an abundant number, since it is smaller than the sum of its proper divisors (15345754110).

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

12502709442 is a wasteful number, since it uses less digits than its factorization.

12502709442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18343 (or 18340 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

It can be divided in two parts, 1250270 and 9442, that added together give a cube (1259712 = 108³).

The spelling of 12502709442 in words is "twelve billion, five hundred two million, seven hundred nine thousand, four hundred forty-two".