1213034340112 has 40 divisors (see below), whose sum is σ = 2693613776256. Its totient is φ = 518399118336.

The previous prime is 1213034340107. The next prime is 1213034340131. The reversal of 1213034340112 is 2110434303121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15301348 + ... + 15380419.

Almost surely, 2^{1213034340112} is an apocalyptic number.

It is an amenable number.

1213034340112 is an abundant number, since it is smaller than the sum of its proper divisors (1480579436144).

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

1213034340112 is a wasteful number, since it uses less digits than its factorization.

1213034340112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30682135 (or 30682129 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1213034340112 its reverse (2110434303121), we get a palindrome (3323468643233).

The spelling of 1213034340112 in words is "one trillion, two hundred thirteen billion, thirty-four million, three hundred forty thousand, one hundred twelve".