30212423212 has 12 divisors (see below), whose sum is σ = 52890240816. Its totient is φ = 15100925840.

The previous prime is 30212423167. The next prime is 30212423231. The reversal of 30212423212 is 21232421203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1308568 + ... + 1331455.

It is an arithmetic number, because the mean of its divisors is an integer number (4407520068).

Almost surely, 2^30212423212 is an apocalyptic number.

It is an amenable number.

30212423212 is a deficient number, since it is larger than the sum of its proper divisors (22677817604).

30212423212 is a wasteful number, since it uses less digits than its factorization.

30212423212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642888 (or 2642886 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 30212423212 its reverse (21232421203), we get a palindrome (51444844415).

The spelling of 30212423212 in words is "thirty billion, two hundred twelve million, four hundred twenty-three thousand, two hundred twelve".