2145120010 has 64 divisors (see below), whose sum is σ = 4487374080. Its totient is φ = 729656320.

The previous prime is 2145119987. The next prime is 2145120017. The reversal of 2145120010 is 100215412.

It is not an unprimeable number, because it can be changed into a prime (2145120017) 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, 308856 + ... + 315724.

It is an arithmetic number, because the mean of its divisors is an integer number (70115220).

Almost surely, 2^2145120010 is an apocalyptic number.

2145120010 is an abundant number, since it is smaller than the sum of its proper divisors (2342254070).

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

2145120010 is a wasteful number, since it uses less digits than its factorization.

2145120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7071.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 2145120010 is about 46315.4402980259. The cubic root of 2145120010 is about 1289.6856414063.

Adding to 2145120010 its reverse (100215412), we get a palindrome (2245335422).

The spelling of 2145120010 in words is "two billion, one hundred forty-five million, one hundred twenty thousand, ten".