133213212001 has 4 divisors (see below), whose sum is σ = 133486750912. Its totient is φ = 132939673092.

The previous prime is 133213211903. The next prime is 133213212019. The reversal of 133213212001 is 100212312331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133213212001 - 2¹¹ = 133213209953 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 133213212001.

It is not an unprimeable number, because it can be changed into a prime (133213212061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136768725 + ... + 136769698.

It is an arithmetic number, because the mean of its divisors is an integer number (33371687728).

Almost surely, 2^133213212001 is an apocalyptic number.

It is an amenable number.

133213212001 is a deficient number, since it is larger than the sum of its proper divisors (273538911).

133213212001 is an equidigital number, since it uses as much as digits as its factorization.

133213212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273538910.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 133213212001 its reverse (100212312331), we get a palindrome (233425524332).

The spelling of 133213212001 in words is "one hundred thirty-three billion, two hundred thirteen million, two hundred twelve thousand, one".