123030012033011 has 16 divisors (see below), whose sum is σ = 132696864841728. Its totient is φ = 113733079020000.

The previous prime is 123030012032981. The next prime is 123030012033023. The reversal of 123030012033011 is 110330210030321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123030012033011 is a prime.

It is a super-2 number, since 2×123030012033011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123030012033611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114346436 + ... + 115417361.

It is an arithmetic number, because the mean of its divisors is an integer number (8293554052608).

Almost surely, 2^{123030012033011} is an apocalyptic number.

123030012033011 is a deficient number, since it is larger than the sum of its proper divisors (9666852808717).

123030012033011 is a wasteful number, since it uses less digits than its factorization.

123030012033011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229764602.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 123030012033011 its reverse (110330210030321), we get a palindrome (233360222063332).

The spelling of 123030012033011 in words is "one hundred twenty-three trillion, thirty billion, twelve million, thirty-three thousand, eleven".