1242341323212 has 48 divisors (see below), whose sum is σ = 3162612321792. Its totient is φ = 376432668480.

The previous prime is 1242341323199. The next prime is 1242341323229. The reversal of 1242341323212 is 2123231432421.

It is a happy number.

It is a super-3 number, since 3×1242341323212³ (a number of 37 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1242341323212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1039038 + ... + 1887930.

It is an arithmetic number, because the mean of its divisors is an integer number (65887756704).

Almost surely, 2^{1242341323212} is an apocalyptic number.

1242341323212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1242341323212 is an abundant number, since it is smaller than the sum of its proper divisors (1920270998580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242341323212 is a wasteful number, since it uses less digits than its factorization.

1242341323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859998 (or 859996 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

Adding to 1242341323212 its reverse (2123231432421), we get a palindrome (3365572755633).

The spelling of 1242341323212 in words is "one trillion, two hundred forty-two billion, three hundred forty-one million, three hundred twenty-three thousand, two hundred twelve".