4020043012312 has 8 divisors (see below), whose sum is σ = 7537580648100. Its totient is φ = 2010021506152.

The previous prime is 4020043012267. The next prime is 4020043012313. The reversal of 4020043012312 is 2132103400204.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020043012313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251252688262 + ... + 251252688277.

Almost surely, 2^{4020043012312} is an apocalyptic number.

It is an amenable number.

4020043012312 is a deficient number, since it is larger than the sum of its proper divisors (3517537635788).

4020043012312 is a wasteful number, since it uses less digits than its factorization.

4020043012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502505376545 (or 502505376541 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 4020043012312 its reverse (2132103400204), we get a palindrome (6152146412516).

The spelling of 4020043012312 in words is "four trillion, twenty billion, forty-three million, twelve thousand, three hundred twelve".