4042121201244 has 72 divisors (see below), whose sum is σ = 11698203954528. Its totient is φ = 1152818317440.

The previous prime is 4042121201233. The next prime is 4042121201249. The reversal of 4042121201244 is 4421021212404.

4042121201244 is a `hidden beast` number, since 4 + 0 + 4 + 212 + 1 + 201 + 244 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042121201249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14258347 + ... + 14539074.

It is an arithmetic number, because the mean of its divisors is an integer number (162475054924).

Almost surely, 2^{4042121201244} is an apocalyptic number.

It is an amenable number.

4042121201244 is an abundant number, since it is smaller than the sum of its proper divisors (7656082753284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4042121201244 is a wasteful number, since it uses less digits than its factorization.

4042121201244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28797995 (or 28797990 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 4042121201244 its reverse (4421021212404), we get a palindrome (8463142413648).

The spelling of 4042121201244 in words is "four trillion, forty-two billion, one hundred twenty-one million, two hundred one thousand, two hundred forty-four".