1243202201242 has 8 divisors (see below), whose sum is σ = 1887270811776. Its totient is φ = 614111930652.

The previous prime is 1243202201231. The next prime is 1243202201243. The reversal of 1243202201242 is 2421022023421.

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

It is not an unprimeable number, because it can be changed into a prime (1243202201243) 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, 3744584778 + ... + 3744585109.

It is an arithmetic number, because the mean of its divisors is an integer number (235908851472).

Almost surely, 2^{1243202201242} is an apocalyptic number.

1243202201242 is a deficient number, since it is larger than the sum of its proper divisors (644068610534).

1243202201242 is an equidigital number, since it uses as much as digits as its factorization.

1243202201242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7489169972.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1243202201242 its reverse (2421022023421), we get a palindrome (3664224224663).

The spelling of 1243202201242 in words is "one trillion, two hundred forty-three billion, two hundred two million, two hundred one thousand, two hundred forty-two".