20120022101112 has 32 divisors (see below), whose sum is σ = 50300176070400. Its totient is φ = 6706657924704.

The previous prime is 20120022101111. The next prime is 20120022101117. The reversal of 20120022101112 is 21110122002102.

It is a junction number, because it is equal to n+sod(n) for n = 20120022101091 and 20120022101100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120022101111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13401123 + ... + 14826669.

It is an arithmetic number, because the mean of its divisors is an integer number (1571880502200).

Almost surely, 2^{20120022101112} is an apocalyptic number.

It is an amenable number.

20120022101112 is an abundant number, since it is smaller than the sum of its proper divisors (30180153969288).

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

20120022101112 is a wasteful number, since it uses less digits than its factorization.

20120022101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013635 (or 2013631 counting only the distinct ones).

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

Adding to 20120022101112 its reverse (21110122002102), we get a palindrome (41230144103214).

It can be divided in two parts, 2012002 and 2101112, that added together give a palindrome (4113114).

The spelling of 20120022101112 in words is "twenty trillion, one hundred twenty billion, twenty-two million, one hundred one thousand, one hundred twelve".