421000343400124 has 24 divisors (see below), whose sum is σ = 757672699414400. Its totient is φ = 204571628808624.

The previous prime is 421000343400107. The next prime is 421000343400193. The reversal of 421000343400124 is 421004343000124.

It is a junction number, because it is equal to n+sod(n) for n = 421000343400092 and 421000343400101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6149906514 + ... + 6149974969.

Almost surely, 2^{421000343400124} is an apocalyptic number.

It is an amenable number.

421000343400124 is a deficient number, since it is larger than the sum of its proper divisors (336672356014276).

421000343400124 is a wasteful number, since it uses less digits than its factorization.

421000343400124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12299881729 (or 12299881727 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 421000343400124 its reverse (421004343000124), we get a palindrome (842004686400248).

The spelling of 421000343400124 in words is "four hundred twenty-one trillion, three hundred forty-three million, four hundred thousand, one hundred twenty-four".