1012143516 has 12 divisors (see below), whose sum is σ = 2361668232. Its totient is φ = 337381168.

The previous prime is 1012143481. The next prime is 1012143527. The reversal of 1012143516 is 6153412101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42172635 + ... + 42172658.

It is an arithmetic number, because the mean of its divisors is an integer number (196805686).

Almost surely, 2^1012143516 is an apocalyptic number.

It is an amenable number.

1012143516 is an abundant number, since it is smaller than the sum of its proper divisors (1349524716).

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

1012143516 is a wasteful number, since it uses less digits than its factorization.

1012143516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84345300 (or 84345298 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1012143516 is about 31814.2030546107. The cubic root of 1012143516 is about 1004.0315633215.

Adding to 1012143516 its reverse (6153412101), we get a palindrome (7165555617).

The spelling of 1012143516 in words is "one billion, twelve million, one hundred forty-three thousand, five hundred sixteen".