1213134031104 has 144 divisors (see below), whose sum is σ = 3345619200000. Its totient is φ = 389973362688.

The previous prime is 1213134031093. The next prime is 1213134031117. The reversal of 1213134031104 is 4011304313121.

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, 2376397 + ... + 2841395.

Almost surely, 2^{1213134031104} 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 1213134031104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1672809600000).

1213134031104 is an abundant number, since it is smaller than the sum of its proper divisors (2132485168896).

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

1213134031104 is an equidigital number, since it uses as much as digits as its factorization.

1213134031104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465140 (or 465126 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1213134031104 its reverse (4011304313121), we get a palindrome (5224438344225).

The spelling of 1213134031104 in words is "one trillion, two hundred thirteen billion, one hundred thirty-four million, thirty-one thousand, one hundred four".