13121101206466 has 24 divisors (see below), whose sum is σ = 21728853241200. Its totient is φ = 5937863156280.

The previous prime is 13121101206439. The next prime is 13121101206467. The reversal of 13121101206466 is 66460210112131.

It is not an unprimeable number, because it can be changed into a prime (13121101206467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119371116 + ... + 119480983.

It is an arithmetic number, because the mean of its divisors is an integer number (905368885050).

Almost surely, 2^{13121101206466} is an apocalyptic number.

13121101206466 is a deficient number, since it is larger than the sum of its proper divisors (8607752034734).

13121101206466 is a wasteful number, since it uses less digits than its factorization.

13121101206466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238852350 (or 238852339 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

Adding to 13121101206466 its reverse (66460210112131), we get a palindrome (79581311318597).

The spelling of 13121101206466 in words is "thirteen trillion, one hundred twenty-one billion, one hundred one million, two hundred six thousand, four hundred sixty-six".