133012222021 has 16 divisors (see below), whose sum is σ = 152625168000. Its totient is φ = 113552990208.

The previous prime is 133012221989. The next prime is 133012222039. The reversal of 133012222021 is 120222210331.

It is not a de Polignac number, because 133012222021 - 2⁵ = 133012221989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133012222021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133012222621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1731925 + ... + 1807093.

It is an arithmetic number, because the mean of its divisors is an integer number (9539073000).

Almost surely, 2^133012222021 is an apocalyptic number.

It is an amenable number.

133012222021 is a deficient number, since it is larger than the sum of its proper divisors (19612945979).

133012222021 is an equidigital number, since it uses as much as digits as its factorization.

133012222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76188.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 133012222021 its reverse (120222210331), we get a palindrome (253234432352).

It can be divided in two parts, 13301 and 2222021, that added together give a palindrome (2235322).

The spelling of 133012222021 in words is "one hundred thirty-three billion, twelve million, two hundred twenty-two thousand, twenty-one".