30133212019 has 4 divisors (see below), whose sum is σ = 31443351696. Its totient is φ = 28823072344.

The previous prime is 30133211959. The next prime is 30133212029. The reversal of 30133212019 is 91021233103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30133212019 - 2⁷ = 30133211891 is a prime.

It is a super-2 number, since 2×30133212019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30133211984 and 30133212002.

It is not an unprimeable number, because it can be changed into a prime (30133212029) 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, 655069804 + ... + 655069849.

It is an arithmetic number, because the mean of its divisors is an integer number (7860837924).

Almost surely, 2^30133212019 is an apocalyptic number.

30133212019 is a deficient number, since it is larger than the sum of its proper divisors (1310139677).

30133212019 is a wasteful number, since it uses less digits than its factorization.

30133212019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310139676.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 30133212019 in words is "thirty billion, one hundred thirty-three million, two hundred twelve thousand, nineteen".