2011202230312 has 64 divisors (see below), whose sum is σ = 4176020629440. Its totient is φ = 900366297600.

The previous prime is 2011202230283. The next prime is 2011202230361. The reversal of 2011202230312 is 2130322021102.

It is a super-2 number, since 2×2011202230312² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2011202230312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33819228 + ... + 33878644.

It is an arithmetic number, because the mean of its divisors is an integer number (65250322335).

Almost surely, 2^{2011202230312} is an apocalyptic number.

2011202230312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011202230312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2088010314720).

2011202230312 is an abundant number, since it is smaller than the sum of its proper divisors (2164818399128).

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

2011202230312 is a wasteful number, since it uses less digits than its factorization.

2011202230312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65242 (or 65238 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2011202230312 its reverse (2130322021102), we get a palindrome (4141524251414).

The spelling of 2011202230312 in words is "two trillion, eleven billion, two hundred two million, two hundred thirty thousand, three hundred twelve".