1213110244104 has 64 divisors (see below), whose sum is σ = 3308584769280. Its totient is φ = 367597800000.

The previous prime is 1213110244097. The next prime is 1213110244123. The reversal of 1213110244104 is 4014420113121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 13103979 + ... + 13196229.

It is an arithmetic number, because the mean of its divisors is an integer number (51696637020).

Almost surely, 2^{1213110244104} is an apocalyptic number.

It is an amenable number.

1213110244104 is an abundant number, since it is smaller than the sum of its proper divisors (2095474525176).

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

1213110244104 is a wasteful number, since it uses less digits than its factorization.

1213110244104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142082 (or 142078 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1213110244104 its reverse (4014420113121), we get a palindrome (5227530357225).

The spelling of 1213110244104 in words is "one trillion, two hundred thirteen billion, one hundred ten million, two hundred forty-four thousand, one hundred four".