1213235776104 has 128 divisors (see below), whose sum is σ = 3356969011200. Its totient is φ = 362336509440.

The previous prime is 1213235776061. The next prime is 1213235776121. The reversal of 1213235776104 is 4016775323121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4906689 + ... + 5148015.

It is an arithmetic number, because the mean of its divisors is an integer number (26226320400).

Almost surely, 2^{1213235776104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213235776104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1678484505600).

1213235776104 is an abundant number, since it is smaller than the sum of its proper divisors (2143733235096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213235776104 is a wasteful number, since it uses less digits than its factorization.

1213235776104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241623 (or 241619 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 1213235776104 in words is "one trillion, two hundred thirteen billion, two hundred thirty-five million, seven hundred seventy-six thousand, one hundred four".