11312002212 has 72 divisors (see below), whose sum is σ = 31283413056. Its totient is φ = 3171010752.

The previous prime is 11312002201. The next prime is 11312002237. The reversal of 11312002212 is 21220021311.

11312002212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11312002212² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11312002191 and 11312002200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150328 + ... + 212655.

It is an arithmetic number, because the mean of its divisors is an integer number (434491848).

Almost surely, 2^11312002212 is an apocalyptic number.

11312002212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11312002212 is an abundant number, since it is smaller than the sum of its proper divisors (19971410844).

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

11312002212 is a wasteful number, since it uses less digits than its factorization.

11312002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363057 (or 363048 counting only the distinct ones).

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

Adding to 11312002212 its reverse (21220021311), we get a palindrome (32532023523).

The spelling of 11312002212 in words is "eleven billion, three hundred twelve million, two thousand, two hundred twelve".