1131212102304 has 48 divisors (see below), whose sum is σ = 2969770245120. Its totient is φ = 377027719680.

The previous prime is 1131212102303. The next prime is 1131212102347. The reversal of 1131212102304 is 4032012121311.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1131212102303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180612 + ... + 1514940.

It is an arithmetic number, because the mean of its divisors is an integer number (61870213440).

Almost surely, 2^{1131212102304} is an apocalyptic number.

It is an amenable number.

1131212102304 is an abundant number, since it is smaller than the sum of its proper divisors (1838558142816).

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

1131212102304 is a wasteful number, since it uses less digits than its factorization.

1131212102304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343173 (or 1343165 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1131212102304 its reverse (4032012121311), we get a palindrome (5163224223615).

The spelling of 1131212102304 in words is "one trillion, one hundred thirty-one billion, two hundred twelve million, one hundred two thousand, three hundred four".