1012320042 has 32 divisors (see below), whose sum is σ = 2044405440. Its totient is φ = 334158720.

The previous prime is 1012320011. The next prime is 1012320073. The reversal of 1012320042 is 2400232101.

It is an interprime number because it is at equal distance from previous prime (1012320011) and next prime (1012320073).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383158 + ... + 385790.

It is an arithmetic number, because the mean of its divisors is an integer number (63887670).

Almost surely, 2^1012320042 is an apocalyptic number.

1012320042 is an abundant number, since it is smaller than the sum of its proper divisors (1032085398).

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

1012320042 is a wasteful number, since it uses less digits than its factorization.

1012320042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238.

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

The square root of 1012320042 is about 31816.9772605758. The cubic root of 1012320042 is about 1004.0899303317.

Adding to 1012320042 its reverse (2400232101), we get a palindrome (3412552143).

The spelling of 1012320042 in words is "one billion, twelve million, three hundred twenty thousand, forty-two".