1212032243993 has 2 divisors, whose sum is σ = 1212032243994. Its totient is φ = 1212032243992.

The previous prime is 1212032243987. The next prime is 1212032244061. The reversal of 1212032243993 is 3993422302121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1178162626624 + 33869617369 = 1085432^2 + 184037^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212032243993 - 2⁴ = 1212032243977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1212032243993.

It is not a weakly prime, because it can be changed into another prime (1212032243923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606016121996 + 606016121997.

It is an arithmetic number, because the mean of its divisors is an integer number (606016121997).

Almost surely, 2^{1212032243993} is an apocalyptic number.

It is an amenable number.

1212032243993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212032243993 is an equidigital number, since it uses as much as digits as its factorization.

1212032243993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 1212032243993 in words is "one trillion, two hundred twelve billion, thirty-two million, two hundred forty-three thousand, nine hundred ninety-three".