1142616012 has 12 divisors (see below), whose sum is σ = 2666104056. Its totient is φ = 380872000.

The previous prime is 1142615987. The next prime is 1142616017. The reversal of 1142616012 is 2106162411.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1142616017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47608989 + ... + 47609012.

It is an arithmetic number, because the mean of its divisors is an integer number (222175338).

Almost surely, 2^1142616012 is an apocalyptic number.

1142616012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1142616012 is an abundant number, since it is smaller than the sum of its proper divisors (1523488044).

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

1142616012 is a wasteful number, since it uses less digits than its factorization.

1142616012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95218008 (or 95218006 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1142616012 is about 33802.6036275314. The cubic root of 1142616012 is about 1045.4423810172.

Adding to 1142616012 its reverse (2106162411), we get a palindrome (3248778423).

The spelling of 1142616012 in words is "one billion, one hundred forty-two million, six hundred sixteen thousand, twelve".