2012232101 has 4 divisors (see below), whose sum is σ = 2195162304. Its totient is φ = 1829301900.

The previous prime is 2012232097. The next prime is 2012232113. The reversal of 2012232101 is 1012322102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2012232101 - 2² = 2012232097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012238101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91465085 + ... + 91465106.

It is an arithmetic number, because the mean of its divisors is an integer number (548790576).

Almost surely, 2^2012232101 is an apocalyptic number.

It is an amenable number.

2012232101 is a deficient number, since it is larger than the sum of its proper divisors (182930203).

2012232101 is a wasteful number, since it uses less digits than its factorization.

2012232101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182930202.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2012232101 is about 44857.9101274235. The cubic root of 2012232101 is about 1262.4844113489.

Adding to 2012232101 its reverse (1012322102), we get a palindrome (3024554203).

Subtracting from 2012232101 its reverse (1012322102), we obtain a palindrome (999909999).

The spelling of 2012232101 in words is "two billion, twelve million, two hundred thirty-two thousand, one hundred one".