1242122101005 has 8 divisors (see below), whose sum is σ = 1987395361632. Its totient is φ = 662465120528.

The previous prime is 1242122100991. The next prime is 1242122101013. The reversal of 1242122101005 is 5001012212421.

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

It is a cyclic number.

It is not a de Polignac number, because 1242122101005 - 2¹⁸ = 1242121838861 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41404070019 + ... + 41404070048.

It is an arithmetic number, because the mean of its divisors is an integer number (248424420204).

Almost surely, 2^{1242122101005} is an apocalyptic number.

1242122101005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1242122101005 is a deficient number, since it is larger than the sum of its proper divisors (745273260627).

1242122101005 is an equidigital number, since it uses as much as digits as its factorization.

1242122101005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82808140075.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 1242122101005 its reverse (5001012212421), we get a palindrome (6243134313426).

The spelling of 1242122101005 in words is "one trillion, two hundred forty-two billion, one hundred twenty-two million, one hundred one thousand, five".