4212421331 has 4 divisors (see below), whose sum is σ = 4265743200. Its totient is φ = 4159099464.

The previous prime is 4212421327. The next prime is 4212421351. The reversal of 4212421331 is 1331242124.

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

It is a cyclic number.

It is not a de Polignac number, because 4212421331 - 2² = 4212421327 is a prime.

It is a super-2 number, since 2×4212421331² = 35488986939727623122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4212421297 and 4212421306.

It is not an unprimeable number, because it can be changed into a prime (4212421351) 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, 26660816 + ... + 26660973.

It is an arithmetic number, because the mean of its divisors is an integer number (1066435800).

Almost surely, 2^4212421331 is an apocalyptic number.

4212421331 is a deficient number, since it is larger than the sum of its proper divisors (53321869).

4212421331 is an equidigital number, since it uses as much as digits as its factorization.

4212421331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53321868.

The product of its digits is 1152, while the sum is 23.

The square root of 4212421331 is about 64903.1688825746. The cubic root of 4212421331 is about 1615.0176306995.

Adding to 4212421331 its reverse (1331242124), we get a palindrome (5543663455).

The spelling of 4212421331 in words is "four billion, two hundred twelve million, four hundred twenty-one thousand, three hundred thirty-one".