3214210232421 has 16 divisors (see below), whose sum is σ = 4819163939520. Its totient is φ = 2116989870480.

The previous prime is 3214210232369. The next prime is 3214210232459. The reversal of 3214210232421 is 1242320124123.

3214210232421 is a `hidden beast` number, since 3 + 2 + 1 + 4 + 2 + 1 + 0 + 232 + 421 = 666.

It is not a de Polignac number, because 3214210232421 - 2¹⁴ = 3214210216037 is a prime.

It is a super-2 number, since 2×3214210232421² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3214210232021) 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, 717135250 + ... + 717139731.

It is an arithmetic number, because the mean of its divisors is an integer number (301197746220).

Almost surely, 2^{3214210232421} is an apocalyptic number.

It is an amenable number.

3214210232421 is a deficient number, since it is larger than the sum of its proper divisors (1604953707099).

3214210232421 is a wasteful number, since it uses less digits than its factorization.

3214210232421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434275073 (or 1434275067 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 3214210232421 its reverse (1242320124123), we get a palindrome (4456530356544).

The spelling of 3214210232421 in words is "three trillion, two hundred fourteen billion, two hundred ten million, two hundred thirty-two thousand, four hundred twenty-one".