123212123033 has 4 divisors (see below), whose sum is σ = 124771770240. Its totient is φ = 121652475828.

The previous prime is 123212123029. The next prime is 123212123093. The reversal of 123212123033 is 330321212321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123212123033 - 2² = 123212123029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123212123093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779823485 + ... + 779823642.

It is an arithmetic number, because the mean of its divisors is an integer number (31192942560).

Almost surely, 2^123212123033 is an apocalyptic number.

It is an amenable number.

123212123033 is a deficient number, since it is larger than the sum of its proper divisors (1559647207).

123212123033 is an equidigital number, since it uses as much as digits as its factorization.

123212123033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559647206.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123212123033 its reverse (330321212321), we get a palindrome (453533335354).

The spelling of 123212123033 in words is "one hundred twenty-three billion, two hundred twelve million, one hundred twenty-three thousand, thirty-three".