402204012124 has 24 divisors (see below), whose sum is σ = 708124144896. Its totient is φ = 199886400000.

The previous prime is 402204012043. The next prime is 402204012179. The reversal of 402204012124 is 421210402204.

It is a junction number, because it is equal to n+sod(n) for n = 402204012095 and 402204012104.

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, 4549 + ... + 896899.

It is an arithmetic number, because the mean of its divisors is an integer number (29505172704).

Almost surely, 2^402204012124 is an apocalyptic number.

It is an amenable number.

402204012124 is a deficient number, since it is larger than the sum of its proper divisors (305920132772).

402204012124 is a wasteful number, since it uses less digits than its factorization.

402204012124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893037 (or 893035 counting only the distinct ones).

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

Adding to 402204012124 its reverse (421210402204), we get a palindrome (823414414328).

The spelling of 402204012124 in words is "four hundred two billion, two hundred four million, twelve thousand, one hundred twenty-four".