1232135011156 has 24 divisors (see below), whose sum is σ = 2609227083456. Its totient is φ = 496995634560.

The previous prime is 1232135011141. The next prime is 1232135011157. The reversal of 1232135011156 is 6511105312321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232135011157) 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, 1294258990 + ... + 1294259941.

It is an arithmetic number, because the mean of its divisors is an integer number (108717795144).

Almost surely, 2^{1232135011156} is an apocalyptic number.

It is an amenable number.

1232135011156 is an abundant number, since it is smaller than the sum of its proper divisors (1377092072300).

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

1232135011156 is a wasteful number, since it uses less digits than its factorization.

1232135011156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588518959 (or 2588518957 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 1232135011156 in words is "one trillion, two hundred thirty-two billion, one hundred thirty-five million, eleven thousand, one hundred fifty-six".