34242212421 has 12 divisors (see below), whose sum is σ = 49501234380. Its totient is φ = 22809559680.

The previous prime is 34242212401. The next prime is 34242212461. The reversal of 34242212421 is 12421224243.

It is a happy number.

34242212421 is a `hidden beast` number, since 3 + 4 + 24 + 2 + 212 + 421 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27987617025 + 6254595396 = 167295^2 + 79086^2 .

It is not a de Polignac number, because 34242212421 - 2⁷ = 34242212293 is a prime.

It is a super-2 number, since 2×34242212421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34242212401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1536820 + ... + 1558941.

It is an arithmetic number, because the mean of its divisors is an integer number (4125102865).

Almost surely, 2^34242212421 is an apocalyptic number.

It is an amenable number.

34242212421 is a deficient number, since it is larger than the sum of its proper divisors (15259021959).

34242212421 is a wasteful number, since it uses less digits than its factorization.

34242212421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096996 (or 3096993 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 34242212421 its reverse (12421224243), we get a palindrome (46663436664).

The spelling of 34242212421 in words is "thirty-four billion, two hundred forty-two million, two hundred twelve thousand, four hundred twenty-one".