1245216104660 has 48 divisors (see below), whose sum is σ = 2855476895040. Its totient is φ = 452361411840.

The previous prime is 1245216104641. The next prime is 1245216104663. The reversal of 1245216104660 is 664016125421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245216104663) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2553089 + ... + 3001448.

It is an arithmetic number, because the mean of its divisors is an integer number (59489101980).

Almost surely, 2^{1245216104660} is an apocalyptic number.

1245216104660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1245216104660 is an abundant number, since it is smaller than the sum of its proper divisors (1610260790380).

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

1245216104660 is a wasteful number, since it uses less digits than its factorization.

1245216104660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555576 (or 5555574 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 1245216104660 in words is "one trillion, two hundred forty-five billion, two hundred sixteen million, one hundred four thousand, six hundred sixty".