43321041212001 has 16 divisors (see below), whose sum is σ = 66013459890048. Its totient is φ = 24754713926400.

The previous prime is 43321041211993. The next prime is 43321041212039. The reversal of 43321041212001 is 10021214012334.

It is not a de Polignac number, because 43321041212001 - 2³ = 43321041211993 is a prime.

It is a super-2 number, since 2×43321041212001² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43321041210001) 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, 3722280 + ... + 10024841.

It is an arithmetic number, because the mean of its divisors is an integer number (4125841243128).

Almost surely, 2^{43321041212001} is an apocalyptic number.

It is an amenable number.

43321041212001 is a deficient number, since it is larger than the sum of its proper divisors (22692418678047).

43321041212001 is a wasteful number, since it uses less digits than its factorization.

43321041212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13897192.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 43321041212001 its reverse (10021214012334), we get a palindrome (53342255224335).

The spelling of 43321041212001 in words is "forty-three trillion, three hundred twenty-one billion, forty-one million, two hundred twelve thousand, one".