4020212512 has 48 divisors (see below), whose sum is σ = 7964490240. Its totient is φ = 1997535232.

The previous prime is 4020212507. The next prime is 4020212549. The reversal of 4020212512 is 2152120204.

It is a self number, because there is not a number n which added to its sum of digits gives 4020212512.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5410413 + ... + 5411155.

It is an arithmetic number, because the mean of its divisors is an integer number (165926880).

Almost surely, 2^4020212512 is an apocalyptic number.

It is an amenable number.

4020212512 is a deficient number, since it is larger than the sum of its proper divisors (3944277728).

4020212512 is a wasteful number, since it uses less digits than its factorization.

4020212512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585 (or 1577 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 4020212512 is about 63405.1457848651. The cubic root of 4020212512 is about 1590.0703411519.

Adding to 4020212512 its reverse (2152120204), we get a palindrome (6172332716).

The spelling of 4020212512 in words is "four billion, twenty million, two hundred twelve thousand, five hundred twelve".