3012356642 has 4 divisors (see below), whose sum is σ = 4518534966. Its totient is φ = 1506178320.

The previous prime is 3012356639. The next prime is 3012356647. The reversal of 3012356642 is 2466532103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2908337041 + 104019601 = 53929^2 + 10199^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3012356599 and 3012356608.

It is not an unprimeable number, because it can be changed into a prime (3012356647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 753089159 + ... + 753089162.

Almost surely, 2^3012356642 is an apocalyptic number.

3012356642 is a deficient number, since it is larger than the sum of its proper divisors (1506178324).

3012356642 is a wasteful number, since it uses less digits than its factorization.

3012356642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506178323.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 3012356642 is about 54884.9400291191. The cubic root of 3012356642 is about 1444.2270091330.

Adding to 3012356642 its reverse (2466532103), we get a palindrome (5478888745).

The spelling of 3012356642 in words is "three billion, twelve million, three hundred fifty-six thousand, six hundred forty-two".