403212012034021 has 4 divisors (see below), whose sum is σ = 403692598461600. Its totient is φ = 402731425606444.

The previous prime is 403212012033949. The next prime is 403212012034031. The reversal of 403212012034021 is 120430210212304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 403212012034021 - 2⁷ = 403212012033893 is a prime.

It is a super-2 number, since 2×403212012034021² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403212012034031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240293212531 + ... + 240293214208.

It is an arithmetic number, because the mean of its divisors is an integer number (100923149615400).

Almost surely, 2^{403212012034021} is an apocalyptic number.

It is an amenable number.

403212012034021 is a deficient number, since it is larger than the sum of its proper divisors (480586427579).

403212012034021 is an equidigital number, since it uses as much as digits as its factorization.

403212012034021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480586427578.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 403212012034021 its reverse (120430210212304), we get a palindrome (523642222246325).

The spelling of 403212012034021 in words is "four hundred three trillion, two hundred twelve billion, twelve million, thirty-four thousand, twenty-one".