1212323119937 has 2 divisors, whose sum is σ = 1212323119938. Its totient is φ = 1212323119936.

The previous prime is 1212323119933. The next prime is 1212323120009. The reversal of 1212323119937 is 7399113232121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1193357423281 + 18965696656 = 1092409^2 + 137716^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212323119937 - 2² = 1212323119933 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212323119933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606161559968 + 606161559969.

It is an arithmetic number, because the mean of its divisors is an integer number (606161559969).

Almost surely, 2^{1212323119937} is an apocalyptic number.

It is an amenable number.

1212323119937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212323119937 is an equidigital number, since it uses as much as digits as its factorization.

1212323119937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 44.

The spelling of 1212323119937 in words is "one trillion, two hundred twelve billion, three hundred twenty-three million, one hundred nineteen thousand, nine hundred thirty-seven".