20110012212 has 24 divisors (see below), whose sum is σ = 47623712416. Its totient is φ = 6603287328.

The previous prime is 20110012189. The next prime is 20110012253. The reversal of 20110012212 is 21221001102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12505423 + ... + 12507030.

Almost surely, 2^20110012212 is an apocalyptic number.

It is an amenable number.

20110012212 is an abundant number, since it is smaller than the sum of its proper divisors (27513700204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110012212 is a wasteful number, since it uses less digits than its factorization.

20110012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25012527 (or 25012525 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20110012212 its reverse (21221001102), we get a palindrome (41331013314).

It can be divided in two parts, 201100 and 12212, that added together give a palindrome (213312).

The spelling of 20110012212 in words is "twenty billion, one hundred ten million, twelve thousand, two hundred twelve".