1012144430 has 48 divisors (see below), whose sum is σ = 2006938080. Its totient is φ = 367245120.

The previous prime is 1012144429. The next prime is 1012144481. The reversal of 1012144430 is 344412101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1014692 + ... + 1015688.

It is an arithmetic number, because the mean of its divisors is an integer number (41811210).

Almost surely, 2^1012144430 is an apocalyptic number.

1012144430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012144430 is a deficient number, since it is larger than the sum of its proper divisors (994793650).

1012144430 is a wasteful number, since it uses less digits than its factorization.

1012144430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865 (or 1854 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1012144430 is about 31814.2174192608. The cubic root of 1012144430 is about 1004.0318655463.

Adding to 1012144430 its reverse (344412101), we get a palindrome (1356556531).

The spelling of 1012144430 in words is "one billion, twelve million, one hundred forty-four thousand, four hundred thirty".