2142451312 has 20 divisors (see below), whose sum is σ = 4172513200. Its totient is φ = 1065673728.

The previous prime is 2142451303. The next prime is 2142451327. The reversal of 2142451312 is 2131542412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343812 + ... + 349987.

It is an arithmetic number, because the mean of its divisors is an integer number (208625660).

Almost surely, 2^2142451312 is an apocalyptic number.

It is an amenable number.

2142451312 is a deficient number, since it is larger than the sum of its proper divisors (2030061888).

2142451312 is a wasteful number, since it uses less digits than its factorization.

2142451312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694000 (or 693994 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 2142451312 is about 46286.6213068096. The cubic root of 2142451312 is about 1289.1505960094.

Adding to 2142451312 its reverse (2131542412), we get a palindrome (4273993724).

The spelling of 2142451312 in words is "two billion, one hundred forty-two million, four hundred fifty-one thousand, three hundred twelve".