1234105505112 has 16 divisors (see below), whose sum is σ = 3085263762840. Its totient is φ = 411368501696.

The previous prime is 1234105505089. The next prime is 1234105505123. The reversal of 1234105505112 is 2115055014321.

It is a self number, because there is not a number n which added to its sum of digits gives 1234105505112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25710531333 + ... + 25710531380.

Almost surely, 2^{1234105505112} is an apocalyptic number.

1234105505112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1234105505112 is an abundant number, since it is smaller than the sum of its proper divisors (1851158257728).

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

1234105505112 is a wasteful number, since it uses less digits than its factorization.

1234105505112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51421062722 (or 51421062718 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 1234105505112 in words is "one trillion, two hundred thirty-four billion, one hundred five million, five hundred five thousand, one hundred twelve".