2121141312 has 42 divisors (see below), whose sum is σ = 6079870238. Its totient is φ = 707046912.

The previous prime is 2121141307. The next prime is 2121141329. The reversal of 2121141312 is 2131411212.

2121141312 is a `hidden beast` number, since 212 + 1 + 141 + 312 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1696121856 + 425019456 = 41184^2 + 20616^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1840693 + ... + 1841844.

Almost surely, 2^2121141312 is an apocalyptic number.

It is an amenable number.

2121141312 is an abundant number, since it is smaller than the sum of its proper divisors (3958728926).

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

2121141312 is a wasteful number, since it uses less digits than its factorization.

2121141312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682555 (or 3682542 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 2121141312 is about 46055.8499215898. The cubic root of 2121141312 is about 1284.8621455269.

Adding to 2121141312 its reverse (2131411212), we get a palindrome (4252552524).

The spelling of 2121141312 in words is "two billion, one hundred twenty-one million, one hundred forty-one thousand, three hundred twelve".