1242210122331 has 8 divisors (see below), whose sum is σ = 1656285791760. Its totient is φ = 828137267232.

The previous prime is 1242210122303. The next prime is 1242210122353. The reversal of 1242210122331 is 1332210122421.

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

It is not a de Polignac number, because 1242210122331 - 2⁹ = 1242210121819 is a prime.

It is a super-2 number, since 2×1242210122331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1242210122431) 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, 763105 + ... + 1751213.

It is an arithmetic number, because the mean of its divisors is an integer number (207035723970).

Almost surely, 2^{1242210122331} is an apocalyptic number.

1242210122331 is a deficient number, since it is larger than the sum of its proper divisors (414075669429).

1242210122331 is an equidigital number, since it uses as much as digits as its factorization.

1242210122331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407165.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1242210122331 its reverse (1332210122421), we get a palindrome (2574420244752).

The spelling of 1242210122331 in words is "one trillion, two hundred forty-two billion, two hundred ten million, one hundred twenty-two thousand, three hundred thirty-one".