20211202012 has 12 divisors (see below), whose sum is σ = 37450168560. Its totient is φ = 9511153856.

The previous prime is 20211202003. The next prime is 20211202049. The reversal of 20211202012 is 21020211202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20211201983 and 20211202001.

It is a congruent number.

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, 148611712 + ... + 148611847.

It is an arithmetic number, because the mean of its divisors is an integer number (3120847380).

Almost surely, 2^20211202012 is an apocalyptic number.

It is an amenable number.

20211202012 is a deficient number, since it is larger than the sum of its proper divisors (17238966548).

20211202012 is a wasteful number, since it uses less digits than its factorization.

20211202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297223580 (or 297223578 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20211202012 its reverse (21020211202), we get a palindrome (41231413214).

The spelling of 20211202012 in words is "twenty billion, two hundred eleven million, two hundred two thousand, twelve".