1223056237412 has 12 divisors (see below), whose sum is σ = 2141069335020. Its totient is φ = 611322141696.

The previous prime is 1223056237411. The next prime is 1223056237441. The reversal of 1223056237412 is 2147326503221.

It can be written as a sum of positive squares in 2 ways, for example, as 108752210176 + 1114304027236 = 329776^2 + 1055606^2 .

It is not an unprimeable number, because it can be changed into a prime (1223056237411) 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 3 ways as a sum of consecutive naturals, for example, 51480893 + ... + 51504644.

It is an arithmetic number, because the mean of its divisors is an integer number (178422444585).

Almost surely, 2^{1223056237412} is an apocalyptic number.

It is an amenable number.

1223056237412 is a deficient number, since it is larger than the sum of its proper divisors (918013097608).

1223056237412 is a wasteful number, since it uses less digits than its factorization.

1223056237412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102988510 (or 102988508 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 1223056237412 in words is "one trillion, two hundred twenty-three billion, fifty-six million, two hundred thirty-seven thousand, four hundred twelve".