1242734222231 has 8 divisors (see below), whose sum is σ = 1245259137024. Its totient is φ = 1240209523800.

The previous prime is 1242734222203. The next prime is 1242734222239. The reversal of 1242734222231 is 1322224372421.

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 1242734222231 - 2⁶ = 1242734222167 is a prime.

It is a super-2 number, since 2×1242734222231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1242734222191 and 1242734222200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242734222239) 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, 16637690 + ... + 16712216.

It is an arithmetic number, because the mean of its divisors is an integer number (155657392128).

Almost surely, 2^{1242734222231} is an apocalyptic number.

1242734222231 is a deficient number, since it is larger than the sum of its proper divisors (2524914793).

1242734222231 is an equidigital number, since it uses as much as digits as its factorization.

1242734222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108181.

The product of its digits is 64512, while the sum is 35.

Adding to 1242734222231 its reverse (1322224372421), we get a palindrome (2564958594652).

The spelling of 1242734222231 in words is "one trillion, two hundred forty-two billion, seven hundred thirty-four million, two hundred twenty-two thousand, two hundred thirty-one".