1225230716640 has 96 divisors (see below), whose sum is σ = 4410830592000. Its totient is φ = 280052734464.

The previous prime is 1225230716599. The next prime is 1225230716657. The reversal of 1225230716640 is 466170325221.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182322640 + ... + 182329359.

It is an arithmetic number, because the mean of its divisors is an integer number (45946152000).

Almost surely, 2^{1225230716640} is an apocalyptic number.

1225230716640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1225230716640 is an abundant number, since it is smaller than the sum of its proper divisors (3185599875360).

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

1225230716640 is a wasteful number, since it uses less digits than its factorization.

1225230716640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364652024 (or 364652016 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 1225230716640 in words is "one trillion, two hundred twenty-five billion, two hundred thirty million, seven hundred sixteen thousand, six hundred forty".