1216006404330 has 64 divisors (see below), whose sum is σ = 3252723039360. Its totient is φ = 289130932224.

The previous prime is 1216006404329. The next prime is 1216006404343. The reversal of 1216006404330 is 334046006121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62735739 + ... + 62755118.

It is an arithmetic number, because the mean of its divisors is an integer number (50823797490).

Almost surely, 2^{1216006404330} is an apocalyptic number.

1216006404330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1216006404330 is an abundant number, since it is smaller than the sum of its proper divisors (2036716635030).

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

1216006404330 is a wasteful number, since it uses less digits than its factorization.

1216006404330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125490903.

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 1216006404330 in words is "one trillion, two hundred sixteen billion, six million, four hundred four thousand, three hundred thirty".