1212331442334 has 32 divisors (see below), whose sum is σ = 2448550351104. Its totient is φ = 400130349120.

The previous prime is 1212331442269. The next prime is 1212331442351. The reversal of 1212331442334 is 4332441332121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1212331442295 and 1212331442304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4340754 + ... + 4611594.

It is an arithmetic number, because the mean of its divisors is an integer number (76517198472).

Almost surely, 2^{1212331442334} is an apocalyptic number.

1212331442334 is an abundant number, since it is smaller than the sum of its proper divisors (1236218908770).

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

1212331442334 is a wasteful number, since it uses less digits than its factorization.

1212331442334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278192.

The product of its digits is 41472, while the sum is 33.

Adding to 1212331442334 its reverse (4332441332121), we get a palindrome (5544772774455).

The spelling of 1212331442334 in words is "one trillion, two hundred twelve billion, three hundred thirty-one million, four hundred forty-two thousand, three hundred thirty-four".