20103021321412 has 24 divisors (see below), whose sum is σ = 35817919042752. Its totient is φ = 9870458220000.

The previous prime is 20103021321391. The next prime is 20103021321437. The reversal of 20103021321412 is 21412312030102.

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, 140935263 + ... + 141077830.

It is an arithmetic number, because the mean of its divisors is an integer number (1492413293448).

Almost surely, 2^{20103021321412} is an apocalyptic number.

It is an amenable number.

20103021321412 is a deficient number, since it is larger than the sum of its proper divisors (15714897721340).

20103021321412 is a wasteful number, since it uses less digits than its factorization.

20103021321412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282013419 (or 282013417 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20103021321412 its reverse (21412312030102), we get a palindrome (41515333351514).

The spelling of 20103021321412 in words is "twenty trillion, one hundred three billion, twenty-one million, three hundred twenty-one thousand, four hundred twelve".