1214551541212 has 24 divisors (see below), whose sum is σ = 2199133737360. Its totient is φ = 586234790400.

The previous prime is 1214551541209. The next prime is 1214551541221. The reversal of 1214551541212 is 2121451554121.

It is a congruent number.

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, 214414 + ... + 1573237.

It is an arithmetic number, because the mean of its divisors is an integer number (91630572390).

Almost surely, 2^{1214551541212} is an apocalyptic number.

It is an amenable number.

1214551541212 is a deficient number, since it is larger than the sum of its proper divisors (984582196148).

1214551541212 is a wasteful number, since it uses less digits than its factorization.

1214551541212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793541 (or 1793539 counting only the distinct ones).

The product of its digits is 16000, while the sum is 34.

The spelling of 1214551541212 in words is "one trillion, two hundred fourteen billion, five hundred fifty-one million, five hundred forty-one thousand, two hundred twelve".