1131250121112 has 32 divisors (see below), whose sum is σ = 2828156904000. Its totient is φ = 377079160224.

The previous prime is 1131250121051. The next prime is 1131250121123. The reversal of 1131250121112 is 2111210521311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2536983 + ... + 2949369.

It is an arithmetic number, because the mean of its divisors is an integer number (88379903250).

Almost surely, 2^{1131250121112} is an apocalyptic number.

1131250121112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131250121112 is an abundant number, since it is smaller than the sum of its proper divisors (1696906782888).

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

1131250121112 is a wasteful number, since it uses less digits than its factorization.

1131250121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526695 (or 526691 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 21.

Adding to 1131250121112 its reverse (2111210521311), we get a palindrome (3242460642423).

The spelling of 1131250121112 in words is "one trillion, one hundred thirty-one billion, two hundred fifty million, one hundred twenty-one thousand, one hundred twelve".