20121300302133 has 32 divisors (see below), whose sum is σ = 28288542191616. Its totient is φ = 12696413925888.

The previous prime is 20121300302099. The next prime is 20121300302273. The reversal of 20121300302133 is 33120300312102.

It is not a de Polignac number, because 20121300302133 - 2⁶ = 20121300302069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121300307133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37367416 + ... + 37902062.

It is an arithmetic number, because the mean of its divisors is an integer number (884016943488).

Almost surely, 2^{20121300302133} is an apocalyptic number.

20121300302133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20121300302133 is a deficient number, since it is larger than the sum of its proper divisors (8167241889483).

20121300302133 is a wasteful number, since it uses less digits than its factorization.

20121300302133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540393.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20121300302133 its reverse (33120300312102), we get a palindrome (53241600614235).

The spelling of 20121300302133 in words is "twenty trillion, one hundred twenty-one billion, three hundred million, three hundred two thousand, one hundred thirty-three".