1216421366002 has 8 divisors (see below), whose sum is σ = 1920665314800. Its totient is φ = 576199594404.

The previous prime is 1216421365981. The next prime is 1216421366029. The reversal of 1216421366002 is 2006631246121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16005544252 + ... + 16005544327.

It is an arithmetic number, because the mean of its divisors is an integer number (240083164350).

Almost surely, 2^{1216421366002} is an apocalyptic number.

1216421366002 is a deficient number, since it is larger than the sum of its proper divisors (704243948798).

1216421366002 is a wasteful number, since it uses less digits than its factorization.

1216421366002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32011088600.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 1216421366002 in words is "one trillion, two hundred sixteen billion, four hundred twenty-one million, three hundred sixty-six thousand, two".