10342212421 has 4 divisors (see below), whose sum is σ = 10342630144. Its totient is φ = 10341794700.

The previous prime is 10342212409. The next prime is 10342212451. The reversal of 10342212421 is 12421224301.

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 a de Polignac number, because none of the positive numbers 2^k-10342212421 is a prime.

It is a super-2 number, since 2×10342212421² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10342212392 and 10342212401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10342212401) 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, 169215 + ... + 222076.

It is an arithmetic number, because the mean of its divisors is an integer number (2585657536).

Almost surely, 2^10342212421 is an apocalyptic number.

It is an amenable number.

10342212421 is a deficient number, since it is larger than the sum of its proper divisors (417723).

10342212421 is an equidigital number, since it uses as much as digits as its factorization.

10342212421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417722.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 10342212421 its reverse (12421224301), we get a palindrome (22763436722).

The spelling of 10342212421 in words is "ten billion, three hundred forty-two million, two hundred twelve thousand, four hundred twenty-one".