1131124401012 has 24 divisors (see below), whose sum is σ = 2639320840576. Its totient is φ = 377037099648.

The previous prime is 1131124400977. The next prime is 1131124401019. The reversal of 1131124401012 is 2101044211311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131124401012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131124401019) 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, 635493 + ... + 1632819.

Almost surely, 2^{1131124401012} is an apocalyptic number.

1131124401012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131124401012 is an abundant number, since it is smaller than the sum of its proper divisors (1508196439564).

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

1131124401012 is a wasteful number, since it uses less digits than its factorization.

1131124401012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091847 (or 1091845 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1131124401012 its reverse (2101044211311), we get a palindrome (3232168612323).

The spelling of 1131124401012 in words is "one trillion, one hundred thirty-one billion, one hundred twenty-four million, four hundred one thousand, twelve".