20321123201412 has 48 divisors (see below), whose sum is σ = 51780773282112. Its totient is φ = 6151454471680.

The previous prime is 20321123201383. The next prime is 20321123201413. The reversal of 20321123201412 is 21410232112302.

It is not an unprimeable number, because it can be changed into a prime (20321123201413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80644353 + ... + 80895944.

It is an arithmetic number, because the mean of its divisors is an integer number (1078766110044).

Almost surely, 2^{20321123201412} is an apocalyptic number.

20321123201412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20321123201412 is an abundant number, since it is smaller than the sum of its proper divisors (31459650080700).

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

20321123201412 is a wasteful number, since it uses less digits than its factorization.

20321123201412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161541268 (or 161541266 counting only the distinct ones).

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

Adding to 20321123201412 its reverse (21410232112302), we get a palindrome (41731355313714).

The spelling of 20321123201412 in words is "twenty trillion, three hundred twenty-one billion, one hundred twenty-three million, two hundred one thousand, four hundred twelve".