4012421144 has 8 divisors (see below), whose sum is σ = 7523289660. Its totient is φ = 2006210568.

The previous prime is 4012421131. The next prime is 4012421167. The reversal of 4012421144 is 4411242104.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250776314 + ... + 250776329.

Almost surely, 2^4012421144 is an apocalyptic number.

It is an amenable number.

4012421144 is a deficient number, since it is larger than the sum of its proper divisors (3510868516).

4012421144 is a wasteful number, since it uses less digits than its factorization.

4012421144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501552649 (or 501552645 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 4012421144 is about 63343.6748539268. The cubic root of 4012421144 is about 1589.0424655403.

Adding to 4012421144 its reverse (4411242104), we get a palindrome (8423663248).

The spelling of 4012421144 in words is "four billion, twelve million, four hundred twenty-one thousand, one hundred forty-four".