1216272746306 has 8 divisors (see below), whose sum is σ = 1824420383760. Its totient is φ = 608132618388.

The previous prime is 1216272746287. The next prime is 1216272746317. The reversal of 1216272746306 is 6036472726121.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1453316 + ... + 2131823.

It is an arithmetic number, because the mean of its divisors is an integer number (228052547970).

Almost surely, 2^{1216272746306} is an apocalyptic number.

1216272746306 is a deficient number, since it is larger than the sum of its proper divisors (608147637454).

1216272746306 is a wasteful number, since it uses less digits than its factorization.

1216272746306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3754768.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 1216272746306 in words is "one trillion, two hundred sixteen billion, two hundred seventy-two million, seven hundred forty-six thousand, three hundred six".