10421013312 has 56 divisors (see below), whose sum is σ = 30635854400. Its totient is φ = 3473670528.

The previous prime is 10421013287. The next prime is 10421013349. The reversal of 10421013312 is 21331012401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 8.

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, 3013612 + ... + 3017067.

Almost surely, 2^10421013312 is an apocalyptic number.

10421013312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10421013312 is an abundant number, since it is smaller than the sum of its proper divisors (20214841088).

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

10421013312 is an equidigital number, since it uses as much as digits as its factorization.

10421013312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6030700 (or 6030684 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10421013312 its reverse (21331012401), we get a palindrome (31752025713).

The spelling of 10421013312 in words is "ten billion, four hundred twenty-one million, thirteen thousand, three hundred twelve".