1212242303231 has 8 divisors (see below), whose sum is σ = 1264970317824. Its totient is φ = 1159516107640.

The previous prime is 1212242303227. The next prime is 1212242303249. The reversal of 1212242303231 is 1323032422121.

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 1212242303231 - 2² = 1212242303227 is a prime.

It is a super-2 number, since 2×1212242303231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212242303231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212242303221) 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, 1007126 + ... + 1854396.

It is an arithmetic number, because the mean of its divisors is an integer number (158121289728).

Almost surely, 2^{1212242303231} is an apocalyptic number.

1212242303231 is a deficient number, since it is larger than the sum of its proper divisors (52728014593).

1212242303231 is an equidigital number, since it uses as much as digits as its factorization.

1212242303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909501.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1212242303231 its reverse (1323032422121), we get a palindrome (2535274725352).

The spelling of 1212242303231 in words is "one trillion, two hundred twelve billion, two hundred forty-two million, three hundred three thousand, two hundred thirty-one".