2120202012 has 48 divisors (see below), whose sum is σ = 4975891200. Its totient is φ = 702641280.

The previous prime is 2120201981. The next prime is 2120202013. The reversal of 2120202012 is 2102020212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120202013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2055937 + ... + 2056967.

It is an arithmetic number, because the mean of its divisors is an integer number (103664400).

Almost surely, 2^2120202012 is an apocalyptic number.

It is an amenable number.

2120202012 is an abundant number, since it is smaller than the sum of its proper divisors (2855689188).

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

2120202012 is a wasteful number, since it uses less digits than its factorization.

2120202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2120202012 is about 46045.6513907665. The cubic root of 2120202012 is about 1284.6724600345.

Adding to 2120202012 its reverse (2102020212), we get a palindrome (4222222224).

The spelling of 2120202012 in words is "two billion, one hundred twenty million, two hundred two thousand, twelve".