4312212454421 has 4 divisors (see below), whose sum is σ = 4312435892844. Its totient is φ = 4311989016000.

The previous prime is 4312212454411. The next prime is 4312212454441. The reversal of 4312212454421 is 1244542122134.

4312212454421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3441562971025 + 870649483396 = 1855145^2 + 933086^2 .

It is a cyclic number.

It is not a de Polignac number, because 4312212454421 - 2¹⁰ = 4312212453397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4312212454411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111690260 + ... + 111728861.

It is an arithmetic number, because the mean of its divisors is an integer number (1078108973211).

Almost surely, 2^{4312212454421} is an apocalyptic number.

It is an amenable number.

4312212454421 is a deficient number, since it is larger than the sum of its proper divisors (223438423).

4312212454421 is a wasteful number, since it uses less digits than its factorization.

4312212454421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223438422.

The product of its digits is 61440, while the sum is 35.

Adding to 4312212454421 its reverse (1244542122134), we get a palindrome (5556754576555).

The spelling of 4312212454421 in words is "four trillion, three hundred twelve billion, two hundred twelve million, four hundred fifty-four thousand, four hundred twenty-one".