1213031132104 has 256 divisors, whose sum is σ = 2668833826560. Its totient is φ = 511805952000.

The previous prime is 1213031132087. The next prime is 1213031132113. The reversal of 1213031132104 is 4012311303121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1477504014 + ... + 1477504834.

It is an arithmetic number, because the mean of its divisors is an integer number (10425132135).

Almost surely, 2^{1213031132104} 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 1213031132104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334416913280).

1213031132104 is an abundant number, since it is smaller than the sum of its proper divisors (1455802694456).

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

1213031132104 is a wasteful number, since it uses less digits than its factorization.

1213031132104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1213031132104 its reverse (4012311303121), we get a palindrome (5225342435225).

The spelling of 1213031132104 in words is "one trillion, two hundred thirteen billion, thirty-one million, one hundred thirty-two thousand, one hundred four".