421440122130034 has 32 divisors (see below), whose sum is σ = 744380800240896. Its totient is φ = 175170582918720.

The previous prime is 421440122129933. The next prime is 421440122130127. The reversal of 421440122130034 is 430031221044124.

It is a happy number.

It is a super-2 number, since 2×421440122130034² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421440122129978 and 421440122130005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1307862969 + ... + 1308185164.

It is an arithmetic number, because the mean of its divisors is an integer number (23261900007528).

Almost surely, 2^{421440122130034} is an apocalyptic number.

421440122130034 is a deficient number, since it is larger than the sum of its proper divisors (322940678110862).

421440122130034 is a wasteful number, since it uses less digits than its factorization.

421440122130034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616048490.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 421440122130034 its reverse (430031221044124), we get a palindrome (851471343174158).

The spelling of 421440122130034 in words is "four hundred twenty-one trillion, four hundred forty billion, one hundred twenty-two million, one hundred thirty thousand, thirty-four".