1212210201941 has 2 divisors, whose sum is σ = 1212210201942. Its totient is φ = 1212210201940.

The previous prime is 1212210201919. The next prime is 1212210202001. The reversal of 1212210201941 is 1491020122121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1110327945841 + 101882256100 = 1053721^2 + 319190^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212210201941 - 2⁶ = 1212210201877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212210201941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212210204941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606105100970 + 606105100971.

It is an arithmetic number, because the mean of its divisors is an integer number (606105100971).

Almost surely, 2^{1212210201941} is an apocalyptic number.

It is an amenable number.

1212210201941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212210201941 is an equidigital number, since it uses as much as digits as its factorization.

1212210201941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 1212210201941 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred one thousand, nine hundred forty-one".