1216287300460 has 48 divisors (see below), whose sum is σ = 2557378474560. Its totient is φ = 485910487040.

The previous prime is 1216287300451. The next prime is 1216287300467. The reversal of 1216287300460 is 640037826121.

It is not an unprimeable number, because it can be changed into a prime (1216287300467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66414705 + ... + 66433015.

It is an arithmetic number, because the mean of its divisors is an integer number (53278718220).

Almost surely, 2^{1216287300460} is an apocalyptic number.

1216287300460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1216287300460 is an abundant number, since it is smaller than the sum of its proper divisors (1341091174100).

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

1216287300460 is a wasteful number, since it uses less digits than its factorization.

1216287300460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22266 (or 22264 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 1216287300460 in words is "one trillion, two hundred sixteen billion, two hundred eighty-seven million, three hundred thousand, four hundred sixty".