30130121010 has 128 divisors (see below), whose sum is σ = 82945762560. Its totient is φ = 6936652800.

The previous prime is 30130120967. The next prime is 30130121053. The reversal of 30130121010 is 1012103103.

It is an interprime number because it is at equal distance from previous prime (30130120967) and next prime (30130121053).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 557964 + ... + 609576.

It is an arithmetic number, because the mean of its divisors is an integer number (648013770).

Almost surely, 2^30130121010 is an apocalyptic number.

30130121010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30130121010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41472881280).

30130121010 is an abundant number, since it is smaller than the sum of its proper divisors (52815641550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30130121010 is a wasteful number, since it uses less digits than its factorization.

30130121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51724.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 30130121010 its reverse (1012103103), we get a palindrome (31142224113).

The spelling of 30130121010 in words is "thirty billion, one hundred thirty million, one hundred twenty-one thousand, ten".