20033303212123 has 4 divisors (see below), whose sum is σ = 20038894425088. Its totient is φ = 20027711999160.

The previous prime is 20033303212093. The next prime is 20033303212163. The reversal of 20033303212123 is 32121230333002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20033303212123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20033303212163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2795601108 + ... + 2795608273.

It is an arithmetic number, because the mean of its divisors is an integer number (5009723606272).

Almost surely, 2^{20033303212123} is an apocalyptic number.

20033303212123 is a deficient number, since it is larger than the sum of its proper divisors (5591212965).

20033303212123 is an equidigital number, since it uses as much as digits as its factorization.

20033303212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591212964.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20033303212123 its reverse (32121230333002), we get a palindrome (52154533545125).

The spelling of 20033303212123 in words is "twenty trillion, thirty-three billion, three hundred three million, two hundred twelve thousand, one hundred twenty-three".