1212210120983 has 2 divisors, whose sum is σ = 1212210120984. Its totient is φ = 1212210120982.

The previous prime is 1212210120973. The next prime is 1212210120997. The reversal of 1212210120983 is 3890210122121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212210120983 - 2²⁸ = 1211941685527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212210120923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606105060491 + 606105060492.

It is an arithmetic number, because the mean of its divisors is an integer number (606105060492).

Almost surely, 2^{1212210120983} is an apocalyptic number.

1212210120983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212210120983 is an equidigital number, since it uses as much as digits as its factorization.

1212210120983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 1212210120983 in words is "one trillion, two hundred twelve billion, two hundred ten million, one hundred twenty thousand, nine hundred eighty-three".