2031822012 has 96 divisors (see below), whose sum is σ = 5368366080. Its totient is φ = 592462080.

The previous prime is 2031822011. The next prime is 2031822049. The reversal of 2031822012 is 2102281302.

It is a happy number.

2031822012 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2031822012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031822011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1427133 + ... + 1428555.

It is an arithmetic number, because the mean of its divisors is an integer number (55920480).

Almost surely, 2^2031822012 is an apocalyptic number.

2031822012 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 2031822012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2684183040).

2031822012 is an abundant number, since it is smaller than the sum of its proper divisors (3336544068).

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

2031822012 is a wasteful number, since it uses less digits than its factorization.

2031822012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843 (or 1841 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2031822012 is about 45075.7363999747. The cubic root of 2031822012 is about 1266.5681234819.

The spelling of 2031822012 in words is "two billion, thirty-one million, eight hundred twenty-two thousand, twelve".