12123011104 has 24 divisors (see below), whose sum is σ = 25123346640. Its totient is φ = 5742478656.

The previous prime is 12123011081. The next prime is 12123011167. The reversal of 12123011104 is 40111032121.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 9968974 + ... + 9970189.

It is an arithmetic number, because the mean of its divisors is an integer number (1046806110).

Almost surely, 2^12123011104 is an apocalyptic number.

It is an amenable number.

12123011104 is an abundant number, since it is smaller than the sum of its proper divisors (13000335536).

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

12123011104 is a wasteful number, since it uses less digits than its factorization.

12123011104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19939192 (or 19939184 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12123011104 its reverse (40111032121), we get a palindrome (52234043225).

The spelling of 12123011104 in words is "twelve billion, one hundred twenty-three million, eleven thousand, one hundred four".