10112421132 has 144 divisors (see below), whose sum is σ = 29900223360. Its totient is φ = 2930954400.

The previous prime is 10112421131. The next prime is 10112421161. The reversal of 10112421132 is 23112421101.

10112421132 is a `hidden beast` number, since 1 + 0 + 112 + 421 + 132 = 666.

It is a super-2 number, since 2×10112421132² (a number of 21 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (10112421131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 620407 + ... + 636497.

It is an arithmetic number, because the mean of its divisors is an integer number (207640440).

Almost surely, 2^10112421132 is an apocalyptic number.

10112421132 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 10112421132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14950111680).

10112421132 is an abundant number, since it is smaller than the sum of its proper divisors (19787802228).

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

10112421132 is a wasteful number, since it uses less digits than its factorization.

10112421132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16161 (or 16130 counting only the distinct ones).

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

Adding to 10112421132 its reverse (23112421101), we get a palindrome (33224842233).

The spelling of 10112421132 in words is "ten billion, one hundred twelve million, four hundred twenty-one thousand, one hundred thirty-two".