2201131212 has 24 divisors (see below), whose sum is σ = 5869683456. Its totient is φ = 628894608.

The previous prime is 2201131159. The next prime is 2201131217. The reversal of 2201131212 is 2121311022.

It is a super-2 number, since 2×2201131212² = 9689957224881177888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2201131191 and 2201131200.

It is not an unprimeable number, because it can be changed into a prime (2201131217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13101888 + ... + 13102055.

It is an arithmetic number, because the mean of its divisors is an integer number (244570144).

Almost surely, 2^2201131212 is an apocalyptic number.

It is an amenable number.

2201131212 is an abundant number, since it is smaller than the sum of its proper divisors (3668552244).

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

2201131212 is a wasteful number, since it uses less digits than its factorization.

2201131212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26203957 (or 26203955 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2201131212 is about 46916.2148089549. The cubic root of 2201131212 is about 1300.8143245118.

Adding to 2201131212 its reverse (2121311022), we get a palindrome (4322442234).

The spelling of 2201131212 in words is "two billion, two hundred one million, one hundred thirty-one thousand, two hundred twelve".