1223041525072 has 10 divisors (see below), whose sum is σ = 2369642954858. Its totient is φ = 611520762528.

The previous prime is 1223041525037. The next prime is 1223041525081. The reversal of 1223041525072 is 2705251403221.

It can be written as a sum of positive squares in only one way, i.e., 662765322816 + 560276202256 = 814104^2 + 748516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38220047643 + ... + 38220047674.

Almost surely, 2^{1223041525072} is an apocalyptic number.

It is an amenable number.

1223041525072 is a deficient number, since it is larger than the sum of its proper divisors (1146601429786).

1223041525072 is an equidigital number, since it uses as much as digits as its factorization.

1223041525072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76440095325 (or 76440095319 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

Adding to 1223041525072 its reverse (2705251403221), we get a palindrome (3928292928293).

The spelling of 1223041525072 in words is "one trillion, two hundred twenty-three billion, forty-one million, five hundred twenty-five thousand, seventy-two".