1242130302011 has 4 divisors (see below), whose sum is σ = 1242146631792. Its totient is φ = 1242113972232.

The previous prime is 1242130301981. The next prime is 1242130302041. The reversal of 1242130302011 is 1102030312421.

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

It is an interprime number because it is at equal distance from previous prime (1242130301981) and next prime (1242130302041).

It is a cyclic number.

It is not a de Polignac number, because 1242130302011 - 2¹⁸ = 1242130039867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242130302041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8050256 + ... + 8203101.

It is an arithmetic number, because the mean of its divisors is an integer number (310536657948).

Almost surely, 2^{1242130302011} is an apocalyptic number.

1242130302011 is a deficient number, since it is larger than the sum of its proper divisors (16329781).

1242130302011 is an equidigital number, since it uses as much as digits as its factorization.

1242130302011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16329780.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1242130302011 its reverse (1102030312421), we get a palindrome (2344160614432).

The spelling of 1242130302011 in words is "one trillion, two hundred forty-two billion, one hundred thirty million, three hundred two thousand, eleven".