30102123130 has 32 divisors (see below), whose sum is σ = 58875471360. Its totient is φ = 11039146560.

The previous prime is 30102123127. The next prime is 30102123137. The reversal of 30102123130 is 3132120103.

It is a super-2 number, since 2×30102123130² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30102123137) 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, 2549469 + ... + 2561248.

It is an arithmetic number, because the mean of its divisors is an integer number (1839858480).

Almost surely, 2^30102123130 is an apocalyptic number.

30102123130 is a deficient number, since it is larger than the sum of its proper divisors (28773348230).

30102123130 is a wasteful number, since it uses less digits than its factorization.

30102123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110774.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30102123130 its reverse (3132120103), we get a palindrome (33234243233).

The spelling of 30102123130 in words is "thirty billion, one hundred two million, one hundred twenty-three thousand, one hundred thirty".