1233012223081 has 2 divisors, whose sum is σ = 1233012223082. Its totient is φ = 1233012223080.

The previous prime is 1233012223067. The next prime is 1233012223169. The reversal of 1233012223081 is 1803222103321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1192332963600 + 40679259481 = 1091940^2 + 201691^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233012223081 - 2²³ = 1233003834473 is a prime.

It is a super-2 number, since 2×1233012223081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1233012523081) 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 as a sum of consecutive naturals, namely, 616506111540 + 616506111541.

It is an arithmetic number, because the mean of its divisors is an integer number (616506111541).

Almost surely, 2^{1233012223081} is an apocalyptic number.

It is an amenable number.

1233012223081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233012223081 is an equidigital number, since it uses as much as digits as its factorization.

1233012223081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 1233012223081 in words is "one trillion, two hundred thirty-three billion, twelve million, two hundred twenty-three thousand, eighty-one".