4021442201212 has 6 divisors (see below), whose sum is σ = 7037523852128. Its totient is φ = 2010721100604.

The previous prime is 4021442201069. The next prime is 4021442201221. The reversal of 4021442201212 is 2121022441204.

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, 502680275148 + ... + 502680275155.

Almost surely, 2^{4021442201212} is an apocalyptic number.

It is an amenable number.

4021442201212 is a deficient number, since it is larger than the sum of its proper divisors (3016081650916).

4021442201212 is a wasteful number, since it uses less digits than its factorization.

4021442201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005360550307 (or 1005360550305 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 4021442201212 its reverse (2121022441204), we get a palindrome (6142464642416).

The spelling of 4021442201212 in words is "four trillion, twenty-one billion, four hundred forty-two million, two hundred one thousand, two hundred twelve".