421033001213 has 16 divisors (see below), whose sum is σ = 461759153856. Its totient is φ = 380715863040.

The previous prime is 421033001201. The next prime is 421033001239. The reversal of 421033001213 is 312100330124.

It is a cyclic number.

It is not a de Polignac number, because 421033001213 - 2²⁴ = 421016223997 is a prime.

It is a super-2 number, since 2×421033001213² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421033001273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20257895 + ... + 20278667.

It is an arithmetic number, because the mean of its divisors is an integer number (28859947116).

Almost surely, 2^421033001213 is an apocalyptic number.

It is an amenable number.

421033001213 is a deficient number, since it is larger than the sum of its proper divisors (40726152643).

421033001213 is a wasteful number, since it uses less digits than its factorization.

421033001213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30524.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 421033001213 its reverse (312100330124), we get a palindrome (733133331337).

The spelling of 421033001213 in words is "four hundred twenty-one billion, thirty-three million, one thousand, two hundred thirteen".