20122010021112 has 16 divisors (see below), whose sum is σ = 50305025052840. Its totient is φ = 6707336673696.

The previous prime is 20122010021107. The next prime is 20122010021129. The reversal of 20122010021112 is 21112001022102.

It is a junction number, because it is equal to n+sod(n) for n = 20122010021091 and 20122010021100.

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 3 ways as a sum of consecutive naturals, for example, 419208542083 + ... + 419208542130.

Almost surely, 2^{20122010021112} is an apocalyptic number.

It is an amenable number.

20122010021112 is an abundant number, since it is smaller than the sum of its proper divisors (30183015031728).

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

20122010021112 is a wasteful number, since it uses less digits than its factorization.

20122010021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838417084222 (or 838417084218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20122010021112 its reverse (21112001022102), we get a palindrome (41234011043214).

The spelling of 20122010021112 in words is "twenty trillion, one hundred twenty-two billion, ten million, twenty-one thousand, one hundred twelve".