12644414302235 has 16 divisors (see below), whose sum is σ = 15762298410432. Its totient is φ = 9729813811200.

The previous prime is 12644414302189. The next prime is 12644414302243. The reversal of 12644414302235 is 53220341444621.

It is not a de Polignac number, because 12644414302235 - 2⁶ = 12644414302171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12644414302192 and 12644414302201.

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, 434352134 + ... + 434381243.

It is an arithmetic number, because the mean of its divisors is an integer number (985143650652).

Almost surely, 2^{12644414302235} is an apocalyptic number.

12644414302235 is a deficient number, since it is larger than the sum of its proper divisors (3117884108197).

12644414302235 is an equidigital number, since it uses as much as digits as its factorization.

12644414302235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868733494.

The product of its (nonzero) digits is 552960, while the sum is 41.

Adding to 12644414302235 its reverse (53220341444621), we get a palindrome (65864755746856).

The spelling of 12644414302235 in words is "twelve trillion, six hundred forty-four billion, four hundred fourteen million, three hundred two thousand, two hundred thirty-five".