20013653121412 has 12 divisors (see below), whose sum is σ = 35351219065680. Its totient is φ = 9913304816936.

The previous prime is 20013653121379. The next prime is 20013653121437. The reversal of 20013653121412 is 21412135631002.

It is a super-2 number, since 2×20013653121412² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23380435462 + ... + 23380436317.

It is an arithmetic number, because the mean of its divisors is an integer number (2945934922140).

Almost surely, 2^{20013653121412} is an apocalyptic number.

It is an amenable number.

20013653121412 is a deficient number, since it is larger than the sum of its proper divisors (15337565944268).

20013653121412 is a wasteful number, since it uses less digits than its factorization.

20013653121412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46760871890 (or 46760871888 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 20013653121412 its reverse (21412135631002), we get a palindrome (41425788752414).

The spelling of 20013653121412 in words is "twenty trillion, thirteen billion, six hundred fifty-three million, one hundred twenty-one thousand, four hundred twelve".