20211202120012 has 12 divisors (see below), whose sum is σ = 35425656969136. Its totient is φ = 10089585843120.

The previous prime is 20211202120009. The next prime is 20211202120037. The reversal of 20211202120012 is 21002120211202.

It is a happy number.

It is a super-2 number, since 2×20211202120012² (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, 4003801383 + ... + 4003806430.

Almost surely, 2^{20211202120012} is an apocalyptic number.

It is an amenable number.

20211202120012 is a deficient number, since it is larger than the sum of its proper divisors (15214454849124).

20211202120012 is a wasteful number, since it uses less digits than its factorization.

20211202120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8007608448 (or 8007608446 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20211202120012 its reverse (21002120211202), we get a palindrome (41213322331214).

The spelling of 20211202120012 in words is "twenty trillion, two hundred eleven billion, two hundred two million, one hundred twenty thousand, twelve".