30012252051 has 4 divisors (see below), whose sum is σ = 40016336072. Its totient is φ = 20008168032.

The previous prime is 30012252043. The next prime is 30012252077. The reversal of 30012252051 is 15025221003.

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

It is not a de Polignac number, because 30012252051 - 2³ = 30012252043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30012252031) 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, 5002042006 + ... + 5002042011.

It is an arithmetic number, because the mean of its divisors is an integer number (10004084018).

Almost surely, 2^30012252051 is an apocalyptic number.

30012252051 is a deficient number, since it is larger than the sum of its proper divisors (10004084021).

30012252051 is a wasteful number, since it uses less digits than its factorization.

30012252051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10004084020.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 30012252051 its reverse (15025221003), we get a palindrome (45037473054).

The spelling of 30012252051 in words is "thirty billion, twelve million, two hundred fifty-two thousand, fifty-one".