12643210850502 has 32 divisors (see below), whose sum is σ = 25874878740480. Its totient is φ = 4116330479520.

The previous prime is 12643210850489. The next prime is 12643210850581. The reversal of 12643210850502 is 20505801234621.

It is a super-2 number, since 2×12643210850502² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18041499 + ... + 18729177.

It is an arithmetic number, because the mean of its divisors is an integer number (808589960640).

Almost surely, 2^{12643210850502} is an apocalyptic number.

12643210850502 is an abundant number, since it is smaller than the sum of its proper divisors (13231667889978).

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

12643210850502 is a wasteful number, since it uses less digits than its factorization.

12643210850502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758988.

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 12643210850502 in words is "twelve trillion, six hundred forty-three billion, two hundred ten million, eight hundred fifty thousand, five hundred two".