1321677045700 has 36 divisors (see below), whose sum is σ = 3128770027152. Its totient is φ = 480609834400.

The previous prime is 1321677045691. The next prime is 1321677045721. The reversal of 1321677045700 is 75407761231.

It is a happy number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 600761194 + ... + 600763393.

It is an arithmetic number, because the mean of its divisors is an integer number (86910278532).

Almost surely, 2^{1321677045700} is an apocalyptic number.

1321677045700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321677045700 is an abundant number, since it is smaller than the sum of its proper divisors (1807092981452).

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

1321677045700 is a wasteful number, since it uses less digits than its factorization.

1321677045700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201524612 (or 1201524605 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 1321677045700 in words is "one trillion, three hundred twenty-one billion, six hundred seventy-seven million, forty-five thousand, seven hundred".