1212343132043 has 4 divisors (see below), whose sum is σ = 1212885084720. Its totient is φ = 1211801179368.

The previous prime is 1212343132027. The next prime is 1212343132067. The reversal of 1212343132043 is 3402313432121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1212343132043 - 2⁴ = 1212343132027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212343131997 and 1212343132015.

It is not an unprimeable number, because it can be changed into a prime (1212343132843) 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, 270972983 + ... + 270977456.

It is an arithmetic number, because the mean of its divisors is an integer number (303221271180).

Almost surely, 2^{1212343132043} is an apocalyptic number.

1212343132043 is a deficient number, since it is larger than the sum of its proper divisors (541952677).

1212343132043 is an equidigital number, since it uses as much as digits as its factorization.

1212343132043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541952676.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1212343132043 its reverse (3402313432121), we get a palindrome (4614656564164).

The spelling of 1212343132043 in words is "one trillion, two hundred twelve billion, three hundred forty-three million, one hundred thirty-two thousand, forty-three".