1131123020312 has 8 divisors (see below), whose sum is σ = 2120855663100. Its totient is φ = 565561510152.

The previous prime is 1131123020303. The next prime is 1131123020341. The reversal of 1131123020312 is 2130203211311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70695188762 + ... + 70695188777.

Almost surely, 2^{1131123020312} is an apocalyptic number.

It is an amenable number.

1131123020312 is a deficient number, since it is larger than the sum of its proper divisors (989732642788).

1131123020312 is a wasteful number, since it uses less digits than its factorization.

1131123020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141390377545 (or 141390377541 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1131123020312 its reverse (2130203211311), we get a palindrome (3261326231623).

The spelling of 1131123020312 in words is "one trillion, one hundred thirty-one billion, one hundred twenty-three million, twenty thousand, three hundred twelve".