1216202635607 has 8 divisors (see below), whose sum is σ = 1218408836736. Its totient is φ = 1213996892472.

The previous prime is 1216202635601. The next prime is 1216202635631. The reversal of 1216202635607 is 7065362026121.

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

It is a cyclic number.

It is not a de Polignac number, because 1216202635607 - 2²⁶ = 1216135526743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1216202635601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5445308 + ... + 5664254.

It is an arithmetic number, because the mean of its divisors is an integer number (152301104592).

Almost surely, 2^{1216202635607} is an apocalyptic number.

1216202635607 is a deficient number, since it is larger than the sum of its proper divisors (2206201129).

1216202635607 is an equidigital number, since it uses as much as digits as its factorization.

1216202635607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228997.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 1216202635607 in words is "one trillion, two hundred sixteen billion, two hundred two million, six hundred thirty-five thousand, six hundred seven".