30220212133 has 4 divisors (see below), whose sum is σ = 30923007808. Its totient is φ = 29517416460.

The previous prime is 30220212053. The next prime is 30220212221. The reversal of 30220212133 is 33121202203.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33121202203 = 2221 ⋅14912743.

It is a cyclic number.

It is not a de Polignac number, because 30220212133 - 2⁹ = 30220211621 is a prime.

It is a super-2 number, since 2×30220212133² (a number of 22 digits) contains 22 as substring.

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 30220212133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220212433) 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, 351397773 + ... + 351397858.

It is an arithmetic number, because the mean of its divisors is an integer number (7730751952).

Almost surely, 2^30220212133 is an apocalyptic number.

It is an amenable number.

30220212133 is a deficient number, since it is larger than the sum of its proper divisors (702795675).

30220212133 is an equidigital number, since it uses as much as digits as its factorization.

30220212133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702795674.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30220212133 its reverse (33121202203), we get a palindrome (63341414336).

The spelling of 30220212133 in words is "thirty billion, two hundred twenty million, two hundred twelve thousand, one hundred thirty-three".