30212111012 has 24 divisors (see below), whose sum is σ = 55716196032. Its totient is φ = 14306204000.

The previous prime is 30212111003. The next prime is 30212111023. The reversal of 30212111012 is 21011121203.

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, 1616414 + ... + 1634997.

It is an arithmetic number, because the mean of its divisors is an integer number (2321508168).

Almost surely, 2^30212111012 is an apocalyptic number.

It is an amenable number.

30212111012 is a deficient number, since it is larger than the sum of its proper divisors (25504085020).

30212111012 is a wasteful number, since it uses less digits than its factorization.

30212111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251539 (or 3251537 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 30212111012 its reverse (21011121203), we get a palindrome (51223232215).

The spelling of 30212111012 in words is "thirty billion, two hundred twelve million, one hundred eleven thousand, twelve".