1020342412 has 12 divisors (see below), whose sum is σ = 1785894376. Its totient is φ = 510086880.

The previous prime is 1020342403. The next prime is 1020342419. The reversal of 1020342412 is 2142430201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020342412.

It is not an unprimeable number, because it can be changed into a prime (1020342419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11863 + ... + 46705.

Almost surely, 2^1020342412 is an apocalyptic number.

It is an amenable number.

1020342412 is a deficient number, since it is larger than the sum of its proper divisors (765551964).

1020342412 is a wasteful number, since it uses less digits than its factorization.

1020342412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42168 (or 42166 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1020342412 is about 31942.7990633257. The cubic root of 1020342412 is about 1006.7353373813.

Adding to 1020342412 its reverse (2142430201), we get a palindrome (3162772613).

The spelling of 1020342412 in words is "one billion, twenty million, three hundred forty-two thousand, four hundred twelve".