20212211221232 has 10 divisors (see below), whose sum is σ = 39161159241168. Its totient is φ = 10106105610608.

The previous prime is 20212211221219. The next prime is 20212211221333. The reversal of 20212211221232 is 23212211221202.

It is a junction number, because it is equal to n+sod(n) for n = 20212211221198 and 20212211221207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631631600648 + ... + 631631600679.

Almost surely, 2^{20212211221232} is an apocalyptic number.

It is an amenable number.

20212211221232 is a deficient number, since it is larger than the sum of its proper divisors (18948948019936).

20212211221232 is a wasteful number, since it uses less digits than its factorization.

20212211221232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263263201335 (or 1263263201329 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 20212211221232 its reverse (23212211221202), we get a palindrome (43424422442434).

The spelling of 20212211221232 in words is "twenty trillion, two hundred twelve billion, two hundred eleven million, two hundred twenty-one thousand, two hundred thirty-two".