1272100404104 has 64 divisors (see below), whose sum is σ = 2525267448000. Its totient is φ = 599728953600.

The previous prime is 1272100404089. The next prime is 1272100404121. The reversal of 1272100404104 is 4014040012721.

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, 102756587 + ... + 102768965.

It is an arithmetic number, because the mean of its divisors is an integer number (39457303875).

Almost surely, 2^{1272100404104} is an apocalyptic number.

It is an amenable number.

1272100404104 is a deficient number, since it is larger than the sum of its proper divisors (1253167043896).

1272100404104 is a wasteful number, since it uses less digits than its factorization.

1272100404104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22758 (or 22754 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 1272100404104 its reverse (4014040012721), we get a palindrome (5286140416825).

The spelling of 1272100404104 in words is "one trillion, two hundred seventy-two billion, one hundred million, four hundred four thousand, one hundred four".