10142021232 has 160 divisors (see below), whose sum is σ = 33312629760. Its totient is φ = 2894019840.

The previous prime is 10142021231. The next prime is 10142021243. The reversal of 10142021232 is 23212024101.

It is a happy number.

10142021232 is a `hidden beast` number, since 1 + 0 + 1 + 420 + 212 + 32 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10142021231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3116118 + ... + 3119370.

It is an arithmetic number, because the mean of its divisors is an integer number (208203936).

Almost surely, 2^10142021232 is an apocalyptic number.

10142021232 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 10142021232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16656314880).

10142021232 is an abundant number, since it is smaller than the sum of its proper divisors (23170608528).

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

10142021232 is a wasteful number, since it uses less digits than its factorization.

10142021232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308 (or 4296 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10142021232 its reverse (23212024101), we get a palindrome (33354045333).

The spelling of 10142021232 in words is "ten billion, one hundred forty-two million, twenty-one thousand, two hundred thirty-two".