4030021040212 has 48 divisors (see below), whose sum is σ = 7255550115072. Its totient is φ = 1957819063680.

The previous prime is 4030021040209. The next prime is 4030021040219. The reversal of 4030021040212 is 2120401200304.

It is a self number, because there is not a number n which added to its sum of digits gives 4030021040212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030021040219) 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, 256240693 + ... + 256256419.

It is an arithmetic number, because the mean of its divisors is an integer number (151157294064).

Almost surely, 2^{4030021040212} is an apocalyptic number.

It is an amenable number.

4030021040212 is a deficient number, since it is larger than the sum of its proper divisors (3225529074860).

4030021040212 is a wasteful number, since it uses less digits than its factorization.

4030021040212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28528 (or 28526 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 4030021040212 its reverse (2120401200304), we get a palindrome (6150422240516).

The spelling of 4030021040212 in words is "four trillion, thirty billion, twenty-one million, forty thousand, two hundred twelve".