1212131230043 has 8 divisors (see below), whose sum is σ = 1221426894336. Its totient is φ = 1202836213800.

The previous prime is 1212131230033. The next prime is 1212131230069. The reversal of 1212131230043 is 3400321312121.

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 1212131230043 - 2¹⁴ = 1212131213659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212131230033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4001738 + ... + 4293968.

It is an arithmetic number, because the mean of its divisors is an integer number (152678361792).

Almost surely, 2^{1212131230043} is an apocalyptic number.

1212131230043 is a deficient number, since it is larger than the sum of its proper divisors (9295664293).

1212131230043 is a wasteful number, since it uses less digits than its factorization.

1212131230043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324025.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1212131230043 its reverse (3400321312121), we get a palindrome (4612452542164).

The spelling of 1212131230043 in words is "one trillion, two hundred twelve billion, one hundred thirty-one million, two hundred thirty thousand, forty-three".