1242444340211 has 8 divisors (see below), whose sum is σ = 1257643609824. Its totient is φ = 1227301891200.

The previous prime is 1242444340187. The next prime is 1242444340223. The reversal of 1242444340211 is 1120434442421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1242444340211 is a prime.

It is a super-2 number, since 2×1242444340211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242444340811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14161151 + ... + 14248616.

It is an arithmetic number, because the mean of its divisors is an integer number (157205451228).

Almost surely, 2^{1242444340211} is an apocalyptic number.

1242444340211 is a deficient number, since it is larger than the sum of its proper divisors (15199269613).

1242444340211 is a wasteful number, since it uses less digits than its factorization.

1242444340211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28410301.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 1242444340211 its reverse (1120434442421), we get a palindrome (2362878782632).

The spelling of 1242444340211 in words is "one trillion, two hundred forty-two billion, four hundred forty-four million, three hundred forty thousand, two hundred eleven".