30021012330 has 32 divisors (see below), whose sum is σ = 72094031424. Its totient is φ = 8000758656.

The previous prime is 30021012293. The next prime is 30021012331. The reversal of 30021012330 is 3321012003.

It is a super-2 number, since 2×30021012330² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (30021012331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252252 + ... + 351671.

It is an arithmetic number, because the mean of its divisors is an integer number (2252938482).

Almost surely, 2^30021012330 is an apocalyptic number.

30021012330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30021012330 is an abundant number, since it is smaller than the sum of its proper divisors (42073019094).

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

30021012330 is a wasteful number, since it uses less digits than its factorization.

30021012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605590.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30021012330 its reverse (3321012003), we get a palindrome (33342024333).

The spelling of 30021012330 in words is "thirty billion, twenty-one million, twelve thousand, three hundred thirty".