20123200240012 has 24 divisors (see below), whose sum is σ = 35970137300160. Its totient is φ = 9846080878080.

The previous prime is 20123200240001. The next prime is 20123200240021. The reversal of 20123200240012 is 21004200232102.

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, 6553189 + ... + 9120892.

It is an arithmetic number, because the mean of its divisors is an integer number (1498755720840).

Almost surely, 2^{20123200240012} is an apocalyptic number.

It is an amenable number.

20123200240012 is a deficient number, since it is larger than the sum of its proper divisors (15846937060148).

20123200240012 is a wasteful number, since it uses less digits than its factorization.

20123200240012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15680961 (or 15680959 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20123200240012 its reverse (21004200232102), we get a palindrome (41127400472114).

The spelling of 20123200240012 in words is "twenty trillion, one hundred twenty-three billion, two hundred million, two hundred forty thousand, twelve".