20133301221212 has 12 divisors (see below), whose sum is σ = 35469742085400. Its totient is φ = 9999089196816.

The previous prime is 20133301221211. The next prime is 20133301221233. The reversal of 20133301221212 is 21212210333102.

It is a super-2 number, since 2×20133301221212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133301221211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16890352778 + ... + 16890353969.

It is an arithmetic number, because the mean of its divisors is an integer number (2955811840450).

Almost surely, 2^{20133301221212} is an apocalyptic number.

It is an amenable number.

20133301221212 is a deficient number, since it is larger than the sum of its proper divisors (15336440864188).

20133301221212 is a wasteful number, since it uses less digits than its factorization.

20133301221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33780706900 (or 33780706898 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20133301221212 its reverse (21212210333102), we get a palindrome (41345511554314).

The spelling of 20133301221212 in words is "twenty trillion, one hundred thirty-three billion, three hundred one million, two hundred twenty-one thousand, two hundred twelve".