1012010140 has 12 divisors (see below), whose sum is σ = 2125221336. Its totient is φ = 404804048.

The previous prime is 1012010101. The next prime is 1012010149. The reversal of 1012010140 is 410102101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012010149) 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 3 ways as a sum of consecutive naturals, for example, 25300234 + ... + 25300273.

It is an arithmetic number, because the mean of its divisors is an integer number (177101778).

Almost surely, 2^1012010140 is an apocalyptic number.

1012010140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012010140 is an abundant number, since it is smaller than the sum of its proper divisors (1113211196).

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

1012010140 is a wasteful number, since it uses less digits than its factorization.

1012010140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50600516 (or 50600514 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1012010140 is about 31812.1068148590. The cubic root of 1012010140 is about 1003.9874590371.

Adding to 1012010140 its reverse (410102101), we get a palindrome (1422112241).

The spelling of 1012010140 in words is "one billion, twelve million, ten thousand, one hundred forty".