40221201004212 has 12 divisors (see below), whose sum is σ = 93849469009856. Its totient is φ = 13407067001400.

The previous prime is 40221201004183. The next prime is 40221201004249. The reversal of 40221201004212 is 21240010212204.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675883375164 + ... + 1675883375187.

Almost surely, 2^{40221201004212} is an apocalyptic number.

It is an amenable number.

40221201004212 is an abundant number, since it is smaller than the sum of its proper divisors (53628268005644).

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

40221201004212 is a wasteful number, since it uses less digits than its factorization.

40221201004212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351766750358 (or 3351766750356 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 40221201004212 its reverse (21240010212204), we get a palindrome (61461211216416).

The spelling of 40221201004212 in words is "forty trillion, two hundred twenty-one billion, two hundred one million, four thousand, two hundred twelve".