403121421132 has 24 divisors (see below), whose sum is σ = 945813431472. Its totient is φ = 133631409600.

The previous prime is 403121421077. The next prime is 403121421149. The reversal of 403121421132 is 231124121304.

It is a super-2 number, since 2×403121421132² (a number of 24 digits) contains 22 as substring.

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, 92797419 + ... + 92801762.

It is an arithmetic number, because the mean of its divisors is an integer number (39408892978).

Almost surely, 2^403121421132 is an apocalyptic number.

It is an amenable number.

403121421132 is an abundant number, since it is smaller than the sum of its proper divisors (542692010340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

403121421132 is a wasteful number, since it uses less digits than its factorization.

403121421132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185599369 (or 185599367 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 403121421132 its reverse (231124121304), we get a palindrome (634245542436).

The spelling of 403121421132 in words is "four hundred three billion, one hundred twenty-one million, four hundred twenty-one thousand, one hundred thirty-two".