133012211321 has 4 divisors (see below), whose sum is σ = 145104230544. Its totient is φ = 120920192100.

The previous prime is 133012211279. The next prime is 133012211341. The reversal of 133012211321 is 123112210331.

It is a happy number.

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 133012211321 - 2¹⁰ = 133012210297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133012211293 and 133012211302.

It is not an unprimeable number, because it can be changed into a prime (133012211341) 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, 6046009595 + ... + 6046009616.

It is an arithmetic number, because the mean of its divisors is an integer number (36276057636).

Almost surely, 2^133012211321 is an apocalyptic number.

133012211321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133012211321 is a deficient number, since it is larger than the sum of its proper divisors (12092019223).

133012211321 is a wasteful number, since it uses less digits than its factorization.

133012211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12092019222.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 133012211321 its reverse (123112210331), we get a palindrome (256124421652).

The spelling of 133012211321 in words is "one hundred thirty-three billion, twelve million, two hundred eleven thousand, three hundred twenty-one".