612422221142 has 8 divisors (see below), whose sum is σ = 918637266432. Its totient is φ = 306209799000.

The previous prime is 612422221127. The next prime is 612422221153. The reversal of 612422221142 is 241122224216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103892 + ... + 1111592.

It is an arithmetic number, because the mean of its divisors is an integer number (114829658304).

Almost surely, 2^612422221142 is an apocalyptic number.

612422221142 is a deficient number, since it is larger than the sum of its proper divisors (306215045290).

612422221142 is a wasteful number, since it uses less digits than its factorization.

612422221142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311574.

The product of its digits is 6144, while the sum is 29.

Adding to 612422221142 its reverse (241122224216), we get a palindrome (853544445358).

The spelling of 612422221142 in words is "six hundred twelve billion, four hundred twenty-two million, two hundred twenty-one thousand, one hundred forty-two".