2201120322012 has 36 divisors (see below), whose sum is σ = 5576617206160. Its totient is φ = 732035454912.

The previous prime is 2201120322007. The next prime is 2201120322013. The reversal of 2201120322012 is 2102230211022.

2201120322012 is a `hidden beast` number, since 220 + 1 + 120 + 322 + 0 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201120322013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69622273 + ... + 69653880.

Almost surely, 2^{2201120322012} is an apocalyptic number.

It is an amenable number.

2201120322012 is an abundant number, since it is smaller than the sum of its proper divisors (3375496884148).

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

2201120322012 is a wasteful number, since it uses less digits than its factorization.

2201120322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139276602 (or 139276597 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2201120322012 its reverse (2102230211022), we get a palindrome (4303350533034).

The spelling of 2201120322012 in words is "two trillion, two hundred one billion, one hundred twenty million, three hundred twenty-two thousand, twelve".