1216235234212 has 48 divisors (see below), whose sum is σ = 2335603898880. Its totient is φ = 552007008000.

The previous prime is 1216235234183. The next prime is 1216235234219. The reversal of 1216235234212 is 2124325326121.

It is not an unprimeable number, because it can be changed into a prime (1216235234219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2317633 + ... + 2793544.

It is an arithmetic number, because the mean of its divisors is an integer number (48658414560).

Almost surely, 2^{1216235234212} is an apocalyptic number.

It is an amenable number.

1216235234212 is a deficient number, since it is larger than the sum of its proper divisors (1119368664668).

1216235234212 is a wasteful number, since it uses less digits than its factorization.

1216235234212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111332 (or 5111330 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The spelling of 1216235234212 in words is "one trillion, two hundred sixteen billion, two hundred thirty-five million, two hundred thirty-four thousand, two hundred twelve".