12820888649410 has 16 divisors (see below), whose sum is σ = 23124600798912. Its totient is φ = 5117910742000.

The previous prime is 12820888649363. The next prime is 12820888649423. The reversal of 12820888649410 is 1494688802821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305584566 + ... + 1305594385.

It is an arithmetic number, because the mean of its divisors is an integer number (1445287549932).

Almost surely, 2^{12820888649410} is an apocalyptic number.

12820888649410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12820888649410 is a deficient number, since it is larger than the sum of its proper divisors (10303712149502).

12820888649410 is a wasteful number, since it uses less digits than its factorization.

12820888649410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611179449.

The product of its (nonzero) digits is 14155776, while the sum is 61.

The spelling of 12820888649410 in words is "twelve trillion, eight hundred twenty billion, eight hundred eighty-eight million, six hundred forty-nine thousand, four hundred ten".