12965785202 has 4 divisors (see below), whose sum is σ = 19448677806. Its totient is φ = 6482892600.

The previous prime is 12965785201. The next prime is 12965785207. The reversal of 12965785202 is 20258756921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20258756921 = 13 ⋅1558365917.

It can be written as a sum of positive squares in only one way, i.e., 12957496561 + 8288641 = 113831^2 + 2879^2 .

It is a super-2 number, since 2×12965785202² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12965785201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3241446299 + ... + 3241446302.

Almost surely, 2^12965785202 is an apocalyptic number.

12965785202 is a deficient number, since it is larger than the sum of its proper divisors (6482892604).

12965785202 is an equidigital number, since it uses as much as digits as its factorization.

12965785202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6482892603.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 12965785202 in words is "twelve billion, nine hundred sixty-five million, seven hundred eighty-five thousand, two hundred two".