421044452204012 has 36 divisors (see below), whose sum is σ = 911847748570416. Its totient is φ = 166567036034880.

The previous prime is 421044452203939. The next prime is 421044452204017. The reversal of 421044452204012 is 210402254440124.

It is a super-2 number, since 2×421044452204012² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421044452204017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44489054039 + ... + 44489063502.

It is an arithmetic number, because the mean of its divisors is an integer number (25329104126956).

Almost surely, 2^{421044452204012} is an apocalyptic number.

It is an amenable number.

421044452204012 is an abundant number, since it is smaller than the sum of its proper divisors (490803296366404).

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

421044452204012 is a wasteful number, since it uses less digits than its factorization.

421044452204012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88978117578 (or 88978117563 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 35.

The spelling of 421044452204012 in words is "four hundred twenty-one trillion, forty-four billion, four hundred fifty-two million, two hundred four thousand, twelve".