133210012021 has 8 divisors (see below), whose sum is σ = 134655120320. Its totient is φ = 131766369408.

The previous prime is 133210011971. The next prime is 133210012049. The reversal of 133210012021 is 120210012331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133210012021 - 2²¹ = 133207914869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133210011986 and 133210012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133210022021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183171 + ... + 547696.

It is an arithmetic number, because the mean of its divisors is an integer number (16831890040).

Almost surely, 2^133210012021 is an apocalyptic number.

It is an amenable number.

133210012021 is a deficient number, since it is larger than the sum of its proper divisors (1445108299).

133210012021 is an equidigital number, since it uses as much as digits as its factorization.

133210012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732843.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 133210012021 its reverse (120210012331), we get a palindrome (253420024352).

The spelling of 133210012021 in words is "one hundred thirty-three billion, two hundred ten million, twelve thousand, twenty-one".