30031222103212 has 24 divisors (see below), whose sum is σ = 57374090201232. Its totient is φ = 13640613336000.

The previous prime is 30031222103177. The next prime is 30031222103273. The reversal of 30031222103212 is 21230122213003.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248493039 + ... + 248613862.

It is an arithmetic number, because the mean of its divisors is an integer number (2390587091718).

Almost surely, 2^{30031222103212} is an apocalyptic number.

It is an amenable number.

30031222103212 is a deficient number, since it is larger than the sum of its proper divisors (27342868098020).

30031222103212 is a wasteful number, since it uses less digits than its factorization.

30031222103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497108289 (or 497108287 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30031222103212 its reverse (21230122213003), we get a palindrome (51261344316215).

The spelling of 30031222103212 in words is "thirty trillion, thirty-one billion, two hundred twenty-two million, one hundred three thousand, two hundred twelve".