133212130030021 has 8 divisors (see below), whose sum is σ = 152489180571840. Its totient is φ = 113996766051168.

The previous prime is 133212130030019. The next prime is 133212130030103. The reversal of 133212130030021 is 120030031212331.

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

It is not a de Polignac number, because 133212130030021 - 2¹ = 133212130030019 is a prime.

It is a super-2 number, since 2×133212130030021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133212130029974 and 133212130030001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133212130030621) 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, 15421636111 + ... + 15421644748.

It is an arithmetic number, because the mean of its divisors is an integer number (19061147571480).

Almost surely, 2^{133212130030021} is an apocalyptic number.

It is an amenable number.

133212130030021 is a deficient number, since it is larger than the sum of its proper divisors (19277050541819).

133212130030021 is an equidigital number, since it uses as much as digits as its factorization.

133212130030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30843281483.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 133212130030021 its reverse (120030031212331), we get a palindrome (253242161242352).

The spelling of 133212130030021 in words is "one hundred thirty-three trillion, two hundred twelve billion, one hundred thirty million, thirty thousand, twenty-one".