4223123211012 has 24 divisors (see below), whose sum is σ = 9854021671200. Its totient is φ = 1407698092416.

The previous prime is 4223123210993. The next prime is 4223123211023. The reversal of 4223123211012 is 2101123213224.

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, 745164 + ... + 3000252.

It is an arithmetic number, because the mean of its divisors is an integer number (410584236300).

Almost surely, 2^{4223123211012} is an apocalyptic number.

It is an amenable number.

4223123211012 is an abundant number, since it is smaller than the sum of its proper divisors (5630898460188).

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

4223123211012 is a wasteful number, since it uses less digits than its factorization.

4223123211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411155 (or 2411153 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 4223123211012 its reverse (2101123213224), we get a palindrome (6324246424236).

The spelling of 4223123211012 in words is "four trillion, two hundred twenty-three billion, one hundred twenty-three million, two hundred eleven thousand, twelve".