30211223112 has 96 divisors (see below), whose sum is σ = 95685670080. Its totient is φ = 8431032960.

The previous prime is 30211223047. The next prime is 30211223137. The reversal of 30211223112 is 21132211203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 675339 + ... + 718682.

It is an arithmetic number, because the mean of its divisors is an integer number (996725730).

Almost surely, 2^30211223112 is an apocalyptic number.

It is an amenable number.

30211223112 is an abundant number, since it is smaller than the sum of its proper divisors (65474446968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30211223112 is a wasteful number, since it uses less digits than its factorization.

30211223112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394083 (or 1394076 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30211223112 its reverse (21132211203), we get a palindrome (51343434315).

The spelling of 30211223112 in words is "thirty billion, two hundred eleven million, two hundred twenty-three thousand, one hundred twelve".