420004214122 has 8 divisors (see below), whose sum is σ = 631875777156. Its totient is φ = 209378955072.

The previous prime is 420004214117. The next prime is 420004214137. The reversal of 420004214122 is 221412400024.

It can be written as a sum of positive squares in 2 ways, for example, as 401095489041 + 18908725081 = 633321^2 + 137509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 420004214093 and 420004214102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311575153 + ... + 311576500.

Almost surely, 2^420004214122 is an apocalyptic number.

420004214122 is a deficient number, since it is larger than the sum of its proper divisors (211871563034).

420004214122 is a wasteful number, since it uses less digits than its factorization.

420004214122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623151992.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 420004214122 its reverse (221412400024), we get a palindrome (641416614146).

The spelling of 420004214122 in words is "four hundred twenty billion, four million, two hundred fourteen thousand, one hundred twenty-two".