1002142312 has 16 divisors (see below), whose sum is σ = 1896579360. Its totient is φ = 496387824.

The previous prime is 1002142291. The next prime is 1002142313. The reversal of 1002142312 is 2132412001.

It is not an unprimeable number, because it can be changed into a prime (1002142313) by changing a digit.

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, 584508 + ... + 586219.

It is an arithmetic number, because the mean of its divisors is an integer number (118536210).

Almost surely, 2^1002142312 is an apocalyptic number.

It is an amenable number.

1002142312 is a deficient number, since it is larger than the sum of its proper divisors (894437048).

1002142312 is a wasteful number, since it uses less digits than its factorization.

1002142312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170840 (or 1170836 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1002142312 is about 31656.6314063894. The cubic root of 1002142312 is about 1000.7135946615.

Adding to 1002142312 its reverse (2132412001), we get a palindrome (3134554313).

It can be divided in two parts, 100 and 2142312, that added together give a palindrome (2142412).

The spelling of 1002142312 in words is "one billion, two million, one hundred forty-two thousand, three hundred twelve".