1312000042 has 32 divisors (see below), whose sum is σ = 2055896064. Its totient is φ = 627264000.

The previous prime is 1312000033. The next prime is 1312000061. The reversal of 1312000042 is 2400002131.

It is a super-2 number, since 2×1312000042² = 3442688220416003528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311999986 and 1312000031.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3304588 + ... + 3304984.

It is an arithmetic number, because the mean of its divisors is an integer number (64246752).

Almost surely, 2^1312000042 is an apocalyptic number.

1312000042 is a deficient number, since it is larger than the sum of its proper divisors (743896022).

1312000042 is a wasteful number, since it uses less digits than its factorization.

1312000042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1312000042 is about 36221.5411323152. The cubic root of 1312000042 is about 1094.7407466414.

Adding to 1312000042 its reverse (2400002131), we get a palindrome (3712002173).

The spelling of 1312000042 in words is "one billion, three hundred twelve million, forty-two", and thus it is an aban number.