20133001212 has 24 divisors (see below), whose sum is σ = 48492390912. Its totient is φ = 6494516400.

The previous prime is 20133001211. The next prime is 20133001219. The reversal of 20133001212 is 21210033102.

It is a junction number, because it is equal to n+sod(n) for n = 20133001191 and 20133001200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133001211) 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 7 ways as a sum of consecutive naturals, for example, 27060114 + ... + 27060857.

It is an arithmetic number, because the mean of its divisors is an integer number (2020516288).

Almost surely, 2^20133001212 is an apocalyptic number.

It is an amenable number.

20133001212 is an abundant number, since it is smaller than the sum of its proper divisors (28359389700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20133001212 is a wasteful number, since it uses less digits than its factorization.

20133001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54121009 (or 54121007 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20133001212 its reverse (21210033102), we get a palindrome (41343034314).

The spelling of 20133001212 in words is "twenty billion, one hundred thirty-three million, one thousand, two hundred twelve".