30121230002 has 8 divisors (see below), whose sum is σ = 45268236336. Its totient is φ = 15031817892.

The previous prime is 30121229993. The next prime is 30121230053. The reversal of 30121230002 is 20003212103.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14397248 + ... + 14399339.

It is an arithmetic number, because the mean of its divisors is an integer number (5658529542).

Almost surely, 2^30121230002 is an apocalyptic number.

30121230002 is a deficient number, since it is larger than the sum of its proper divisors (15147006334).

30121230002 is a wasteful number, since it uses less digits than its factorization.

30121230002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28797112.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30121230002 its reverse (20003212103), we get a palindrome (50124442105).

The spelling of 30121230002 in words is "thirty billion, one hundred twenty-one million, two hundred thirty thousand, two".