1235530412112 has 80 divisors (see below), whose sum is σ = 3385458977472. Its totient is φ = 386938398720.

The previous prime is 1235530412111. The next prime is 1235530412153. The reversal of 1235530412112 is 2112140355321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1235530412112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235530412111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859923 + ... + 1791794.

Almost surely, 2^{1235530412112} is an apocalyptic number.

1235530412112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1235530412112 is an abundant number, since it is smaller than the sum of its proper divisors (2149928565360).

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

1235530412112 is a wasteful number, since it uses less digits than its factorization.

1235530412112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652316 (or 2652310 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1235530412112 its reverse (2112140355321), we get a palindrome (3347670767433).

The spelling of 1235530412112 in words is "one trillion, two hundred thirty-five billion, five hundred thirty million, four hundred twelve thousand, one hundred twelve".