20454112205012 has 24 divisors (see below), whose sum is σ = 35830400545632. Its totient is φ = 10216859940000.

The previous prime is 20454112205003. The next prime is 20454112205077. The reversal of 20454112205012 is 21050221145402.

It is a congruent number.

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, 15679058 + ... + 16933430.

It is an arithmetic number, because the mean of its divisors is an integer number (1492933356068).

Almost surely, 2^{20454112205012} is an apocalyptic number.

It is an amenable number.

20454112205012 is a deficient number, since it is larger than the sum of its proper divisors (15376288340620).

20454112205012 is a wasteful number, since it uses less digits than its factorization.

20454112205012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258439 (or 1258437 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The spelling of 20454112205012 in words is "twenty trillion, four hundred fifty-four billion, one hundred twelve million, two hundred five thousand, twelve".