30121310002 has 32 divisors (see below), whose sum is σ = 54794880000. Its totient is φ = 12138572688.

The previous prime is 30121309973. The next prime is 30121310003. The reversal of 30121310002 is 20001312103.

It is not an unprimeable number, because it can be changed into a prime (30121310003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773752 + ... + 811747.

It is an arithmetic number, because the mean of its divisors is an integer number (1712340000).

Almost surely, 2^30121310002 is an apocalyptic number.

30121310002 is a deficient number, since it is larger than the sum of its proper divisors (24673569998).

30121310002 is a wasteful number, since it uses less digits than its factorization.

30121310002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585590.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30121310002 its reverse (20001312103), we get a palindrome (50122622105).

The spelling of 30121310002 in words is "thirty billion, one hundred twenty-one million, three hundred ten thousand, two".