4021212034044 has 108 divisors (see below), whose sum is σ = 10851975397536. Its totient is φ = 1254846029184.

The previous prime is 4021212033991. The next prime is 4021212034079. The reversal of 4021212034044 is 4404302121204.

4021212034044 is a `hidden beast` number, since 40 + 2 + 1 + 212 + 0 + 3 + 404 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4021212033999 and 4021212034017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1351249 + ... + 3141384.

Almost surely, 2^{4021212034044} is an apocalyptic number.

It is an amenable number.

4021212034044 is an abundant number, since it is smaller than the sum of its proper divisors (6830763363492).

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

4021212034044 is a wasteful number, since it uses less digits than its factorization.

4021212034044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492736 (or 4492708 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 4021212034044 its reverse (4404302121204), we get a palindrome (8425514155248).

The spelling of 4021212034044 in words is "four trillion, twenty-one billion, two hundred twelve million, thirty-four thousand, forty-four".