1131443140212 has 144 divisors (see below), whose sum is σ = 3775510956672. Its totient is φ = 276594186240.

The previous prime is 1131443140189. The next prime is 1131443140249. The reversal of 1131443140212 is 2120413441311.

It is a happy number.

1131443140212 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 443 + 1 + 4 + 0 + 212 = 666.

It is a super-3 number, since 3×1131443140212³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11957833 + ... + 12052080.

It is an arithmetic number, because the mean of its divisors is an integer number (26218826088).

Almost surely, 2^{1131443140212} is an apocalyptic number.

1131443140212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131443140212 is an abundant number, since it is smaller than the sum of its proper divisors (2644067816460).

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

1131443140212 is a wasteful number, since it uses less digits than its factorization.

1131443140212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24009958 (or 24009953 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 1131443140212 its reverse (2120413441311), we get a palindrome (3251856581523).

The spelling of 1131443140212 in words is "one trillion, one hundred thirty-one billion, four hundred forty-three million, one hundred forty thousand, two hundred twelve".