1131240230412 has 48 divisors (see below), whose sum is σ = 2821502702592. Its totient is φ = 351888085120.

The previous prime is 1131240230401. The next prime is 1131240230459. The reversal of 1131240230412 is 2140320421311.

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, 49972788 + ... + 49995419.

It is an arithmetic number, because the mean of its divisors is an integer number (58781306304).

Almost surely, 2^{1131240230412} is an apocalyptic number.

1131240230412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131240230412 is an abundant number, since it is smaller than the sum of its proper divisors (1690262472180).

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

1131240230412 is a wasteful number, since it uses less digits than its factorization.

1131240230412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99968278 (or 99968276 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1131240230412 its reverse (2140320421311), we get a palindrome (3271560651723).

The spelling of 1131240230412 in words is "one trillion, one hundred thirty-one billion, two hundred forty million, two hundred thirty thousand, four hundred twelve".