12829185649402 has 8 divisors (see below), whose sum is σ = 19243833948756. Its totient is φ = 6414574333152.

The previous prime is 12829185649387. The next prime is 12829185649433. The reversal of 12829185649402 is 20494658192821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12812254695241 + 16930954161 = 3579421^2 + 130119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8361633 + ... + 9776260.

Almost surely, 2^{12829185649402} is an apocalyptic number.

12829185649402 is a deficient number, since it is larger than the sum of its proper divisors (6414648299354).

12829185649402 is a wasteful number, since it uses less digits than its factorization.

12829185649402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18491552.

The product of its (nonzero) digits is 19906560, while the sum is 61.

The spelling of 12829185649402 in words is "twelve trillion, eight hundred twenty-nine billion, one hundred eighty-five million, six hundred forty-nine thousand, four hundred two".