20110212112 has 10 divisors (see below), whose sum is σ = 38963535998. Its totient is φ = 10055106048.

The previous prime is 20110212107. The next prime is 20110212119. The reversal of 20110212112 is 21121201102.

It can be written as a sum of positive squares in only one way, i.e., 17356481536 + 2753730576 = 131744^2 + 52476^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20110212092 and 20110212101.

It is not an unprimeable number, because it can be changed into a prime (20110212119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628444113 + ... + 628444144.

Almost surely, 2^20110212112 is an apocalyptic number.

It is an amenable number.

20110212112 is a deficient number, since it is larger than the sum of its proper divisors (18853323886).

20110212112 is a wasteful number, since it uses less digits than its factorization.

20110212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256888265 (or 1256888259 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20110212112 its reverse (21121201102), we get a palindrome (41231413214).

The spelling of 20110212112 in words is "twenty billion, one hundred ten million, two hundred twelve thousand, one hundred twelve".