4021210121204 has 24 divisors (see below), whose sum is σ = 7090972663488. Its totient is φ = 1995245193600.

The previous prime is 4021210121171. The next prime is 4021210121207.

4021210121204 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021210121207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2817074 + ... + 3997289.

It is an arithmetic number, because the mean of its divisors is an integer number (295457194312).

Almost surely, 2^{4021210121204} is an apocalyptic number.

It is an amenable number.

4021210121204 is a deficient number, since it is larger than the sum of its proper divisors (3069762542284).

4021210121204 is a wasteful number, since it uses less digits than its factorization.

4021210121204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6815495 (or 6815493 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 4021210 and 121204, that added together give a palindrome (4142414).

The spelling of 4021210121204 in words is "four trillion, twenty-one billion, two hundred ten million, one hundred twenty-one thousand, two hundred four".