2123312010 has 32 divisors (see below), whose sum is σ = 5105730240. Its totient is φ = 565129728.

The previous prime is 2123312003. The next prime is 2123312011. The reversal of 2123312010 is 102133212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (2123312011) 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, 51975 + ... + 83354.

It is an arithmetic number, because the mean of its divisors is an integer number (159554070).

Almost surely, 2^2123312010 is an apocalyptic number.

2123312010 is an abundant number, since it is smaller than the sum of its proper divisors (2982418230).

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

2123312010 is a wasteful number, since it uses less digits than its factorization.

2123312010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135862.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2123312010 is about 46079.4098269498. The cubic root of 2123312010 is about 1285.3002896542.

Adding to 2123312010 its reverse (102133212), we get a palindrome (2225445222).

The spelling of 2123312010 in words is "two billion, one hundred twenty-three million, three hundred twelve thousand, ten".