20123023020212 has 36 divisors (see below), whose sum is σ = 43120763622720. Its totient is φ = 8170249946544.

The previous prime is 20123023020173. The next prime is 20123023020239. The reversal of 20123023020212 is 21202032032102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2701798508 + ... + 2701805955.

It is an arithmetic number, because the mean of its divisors is an integer number (1197798989520).

Almost surely, 2^{20123023020212} is an apocalyptic number.

It is an amenable number.

20123023020212 is an abundant number, since it is smaller than the sum of its proper divisors (22997740602508).

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

20123023020212 is a wasteful number, since it uses less digits than its factorization.

20123023020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5403604500 (or 5403604491 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20123023020212 its reverse (21202032032102), we get a palindrome (41325055052314).

The spelling of 20123023020212 in words is "twenty trillion, one hundred twenty-three billion, twenty-three million, twenty thousand, two hundred twelve".