20120112022 has 16 divisors (see below), whose sum is σ = 30802251744. Its totient is φ = 9854064000.

The previous prime is 20120112011. The next prime is 20120112031. The reversal of 20120112022 is 22021102102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20120111993 and 20120112011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312754 + ... + 371557.

It is an arithmetic number, because the mean of its divisors is an integer number (1925140734).

Almost surely, 2^20120112022 is an apocalyptic number.

20120112022 is a deficient number, since it is larger than the sum of its proper divisors (10682139722).

20120112022 is a wasteful number, since it uses less digits than its factorization.

20120112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684615.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20120112022 its reverse (22021102102), we get a palindrome (42141214124).

The spelling of 20120112022 in words is "twenty billion, one hundred twenty million, one hundred twelve thousand, twenty-two".