4021140212 has 12 divisors (see below), whose sum is σ = 7037654820. Its totient is φ = 2010381696.

The previous prime is 4021140199. The next prime is 4021140241. The reversal of 4021140212 is 2120411204.

It can be written as a sum of positive squares in 2 ways, for example, as 3566000656 + 455139556 = 59716^2 + 21334^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8108 + ... + 90044.

It is an arithmetic number, because the mean of its divisors is an integer number (586471235).

Almost surely, 2^4021140212 is an apocalyptic number.

It is an amenable number.

4021140212 is a deficient number, since it is larger than the sum of its proper divisors (3016514608).

4021140212 is a wasteful number, since it uses less digits than its factorization.

4021140212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94210 (or 94208 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 4021140212 is about 63412.4610151664. The cubic root of 4021140212 is about 1590.1926393970.

Adding to 4021140212 its reverse (2120411204), we get a palindrome (6141551416).

The spelling of 4021140212 in words is "four billion, twenty-one million, one hundred forty thousand, two hundred twelve".