1012142300 has 72 divisors (see below), whose sum is σ = 2382982896. Its totient is φ = 370920960.

The previous prime is 1012142273. The next prime is 1012142303. The reversal of 1012142300 is 32412101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012142303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175259 + ... + 180941.

Almost surely, 2^1012142300 is an apocalyptic number.

1012142300 is a gapful number since it is divisible by the number (10) 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 1012142300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1191491448).

1012142300 is an abundant number, since it is smaller than the sum of its proper divisors (1370840596).

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

1012142300 is a wasteful number, since it uses less digits than its factorization.

1012142300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5847 (or 5840 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1012142300 is about 31814.1839436438. The cubic root of 1012142300 is about 1004.0311612366.

Adding to 1012142300 its reverse (32412101), we get a palindrome (1044554401).

The spelling of 1012142300 in words is "one billion, twelve million, one hundred forty-two thousand, three hundred".