1042200312 has 128 divisors (see below), whose sum is σ = 2839603200. Its totient is φ = 317634048.

The previous prime is 1042200307. The next prime is 1042200319. The reversal of 1042200312 is 2130022401.

It is a junction number, because it is equal to n+sod(n) for n = 1042200291 and 1042200300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042200319) 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 31 ways as a sum of consecutive naturals, for example, 3762318 + ... + 3762594.

It is an arithmetic number, because the mean of its divisors is an integer number (22184400).

Almost surely, 2^1042200312 is an apocalyptic number.

1042200312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042200312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1419801600).

1042200312 is an abundant number, since it is smaller than the sum of its proper divisors (1797402888).

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

1042200312 is a wasteful number, since it uses less digits than its factorization.

1042200312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1042200312 is about 32283.1273578010. The cubic root of 1042200312 is about 1013.8734091079.

Adding to 1042200312 its reverse (2130022401), we get a palindrome (3172222713).

The spelling of 1042200312 in words is "one billion, forty-two million, two hundred thousand, three hundred twelve".