30221012029 has 4 divisors (see below), whose sum is σ = 32545705276. Its totient is φ = 27896318784.

The previous prime is 30221012021. The next prime is 30221012051. The reversal of 30221012029 is 92021012203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92021012203 = 73 ⋅1260561811.

It can be written as a sum of positive squares in 2 ways, for example, as 6659376025 + 23561636004 = 81605^2 + 153498^2 .

It is a cyclic number.

It is not a de Polignac number, because 30221012029 - 2³ = 30221012021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221012021) 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, 1162346604 + ... + 1162346629.

It is an arithmetic number, because the mean of its divisors is an integer number (8136426319).

Almost surely, 2^30221012029 is an apocalyptic number.

It is an amenable number.

30221012029 is a deficient number, since it is larger than the sum of its proper divisors (2324693247).

30221012029 is a wasteful number, since it uses less digits than its factorization.

30221012029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324693246.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 30221012029 in words is "thirty billion, two hundred twenty-one million, twelve thousand, twenty-nine".