1012142532 has 96 divisors (see below), whose sum is σ = 2557215360. Its totient is φ = 310435840.

The previous prime is 1012142507. The next prime is 1012142533. The reversal of 1012142532 is 2352412101.

It is a junction number, because it is equal to n+sod(n) for n = 1012142499 and 1012142508.

It is not an unprimeable number, because it can be changed into a prime (1012142533) 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, 1942432 + ... + 1942952.

It is an arithmetic number, because the mean of its divisors is an integer number (26637660).

Almost surely, 2^1012142532 is an apocalyptic number.

1012142532 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 1012142532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1278607680).

1012142532 is an abundant number, since it is smaller than the sum of its proper divisors (1545072828).

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

1012142532 is a wasteful number, since it uses less digits than its factorization.

1012142532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1012142532 is about 31814.1875898160. The cubic root of 1012142532 is about 1004.0312379502.

Adding to 1012142532 its reverse (2352412101), we get a palindrome (3364554633).

The spelling of 1012142532 in words is "one billion, twelve million, one hundred forty-two thousand, five hundred thirty-two".