1223445666792 has 16 divisors (see below), whose sum is σ = 3058614167040. Its totient is φ = 407815222256.

The previous prime is 1223445666791. The next prime is 1223445666847. The reversal of 1223445666792 is 2976665443221.

It is not an unprimeable number, because it can be changed into a prime (1223445666791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25488451368 + ... + 25488451415.

It is an arithmetic number, because the mean of its divisors is an integer number (191163385440).

Almost surely, 2^{1223445666792} is an apocalyptic number.

1223445666792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223445666792 is an abundant number, since it is smaller than the sum of its proper divisors (1835168500248).

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

1223445666792 is a wasteful number, since it uses less digits than its factorization.

1223445666792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50976902792 (or 50976902788 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 57.

The spelling of 1223445666792 in words is "one trillion, two hundred twenty-three billion, four hundred forty-five million, six hundred sixty-six thousand, seven hundred ninety-two".