10421112312 has 96 divisors (see below), whose sum is σ = 30480559200. Its totient is φ = 3197461248.

The previous prime is 10421112301. The next prime is 10421112323. The reversal of 10421112312 is 21321112401.

10421112312 is a `hidden beast` number, since 1 + 0 + 421 + 11 + 231 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (10421112301) and next prime (10421112323).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 320518 + ... + 351530.

It is an arithmetic number, because the mean of its divisors is an integer number (317505825).

Almost surely, 2^10421112312 is an apocalyptic number.

10421112312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10421112312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15240279600).

10421112312 is an abundant number, since it is smaller than the sum of its proper divisors (20059446888).

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

10421112312 is a wasteful number, since it uses less digits than its factorization.

10421112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31397 (or 31390 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 10421112312 its reverse (21321112401), we get a palindrome (31742224713).

The spelling of 10421112312 in words is "ten billion, four hundred twenty-one million, one hundred twelve thousand, three hundred twelve".