30002444121 has 32 divisors (see below), whose sum is σ = 43592693760. Its totient is φ = 18244699200.

The previous prime is 30002444113. The next prime is 30002444123. The reversal of 30002444121 is 12144420003.

It is not a de Polignac number, because 30002444121 - 2³ = 30002444113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30002444123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1208766 + ... + 1233336.

It is an arithmetic number, because the mean of its divisors is an integer number (1362271680).

Almost surely, 2^30002444121 is an apocalyptic number.

It is an amenable number.

30002444121 is a deficient number, since it is larger than the sum of its proper divisors (13590249639).

30002444121 is a wasteful number, since it uses less digits than its factorization.

30002444121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24957.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 30002444121 its reverse (12144420003), we get a palindrome (42146864124).

The spelling of 30002444121 in words is "thirty billion, two million, four hundred forty-four thousand, one hundred twenty-one".