30111432212 has 24 divisors (see below), whose sum is σ = 53317883136. Its totient is φ = 14878738368.

The previous prime is 30111432203. The next prime is 30111432217. The reversal of 30111432212 is 21223411103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30111432217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998 + ... + 245405.

It is an arithmetic number, because the mean of its divisors is an integer number (2221578464).

Almost surely, 2^30111432212 is an apocalyptic number.

It is an amenable number.

30111432212 is a deficient number, since it is larger than the sum of its proper divisors (23206450924).

30111432212 is a wasteful number, since it uses less digits than its factorization.

30111432212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246767 (or 246765 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 30111432212 its reverse (21223411103), we get a palindrome (51334843315).

The spelling of 30111432212 in words is "thirty billion, one hundred eleven million, four hundred thirty-two thousand, two hundred twelve".