2012020111192 has 64 divisors (see below), whose sum is σ = 4741913272320. Its totient is φ = 779028582528.

The previous prime is 2012020111183. The next prime is 2012020111193. The reversal of 2012020111192 is 2911110202102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012020111193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29367528 + ... + 29435959.

It is an arithmetic number, because the mean of its divisors is an integer number (74092394880).

Almost surely, 2^{2012020111192} is an apocalyptic number.

It is an amenable number.

2012020111192 is an abundant number, since it is smaller than the sum of its proper divisors (2729893161128).

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

2012020111192 is a wasteful number, since it uses less digits than its factorization.

2012020111192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58803560 (or 58803556 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 2012020111192 its reverse (2911110202102), we get a palindrome (4923130313294).

It can be divided in two parts, 2012020 and 111192, that added together give a palindrome (2123212).

The spelling of 2012020111192 in words is "two trillion, twelve billion, twenty million, one hundred eleven thousand, one hundred ninety-two".