2120862012 has 48 divisors (see below), whose sum is σ = 4977772800. Its totient is φ = 702812160.

The previous prime is 2120862011. The next prime is 2120862053. The reversal of 2120862012 is 2102680212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120862011) 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, 2757564 + ... + 2758332.

It is an arithmetic number, because the mean of its divisors is an integer number (103703600).

Almost surely, 2^2120862012 is an apocalyptic number.

It is an amenable number.

2120862012 is an abundant number, since it is smaller than the sum of its proper divisors (2856910788).

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

2120862012 is a wasteful number, since it uses less digits than its factorization.

2120862012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826 (or 1824 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2120862012 is about 46052.8176336693. The cubic root of 2120862012 is about 1284.8057485693.

The spelling of 2120862012 in words is "two billion, one hundred twenty million, eight hundred sixty-two thousand, twelve".