20120323310212 has 24 divisors (see below), whose sum is σ = 37967747459040. Its totient is φ = 9298223864640.

The previous prime is 20120323310207. The next prime is 20120323310279. The reversal of 20120323310212 is 21201332302102.

It is a super-4 number, since 4×20120323310212⁴ (a number of 54 digits) contains 4444 as substring.

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, 3228546838 + ... + 3228553069.

It is an arithmetic number, because the mean of its divisors is an integer number (1581989477460).

Almost surely, 2^{20120323310212} is an apocalyptic number.

It is an amenable number.

20120323310212 is a deficient number, since it is larger than the sum of its proper divisors (17847424148828).

20120323310212 is a wasteful number, since it uses less digits than its factorization.

20120323310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6457099971 (or 6457099969 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20120323310212 its reverse (21201332302102), we get a palindrome (41321655612314).

The spelling of 20120323310212 in words is "twenty trillion, one hundred twenty billion, three hundred twenty-three million, three hundred ten thousand, two hundred twelve".