12210001049 has 2 divisors, whose sum is σ = 12210001050. Its totient is φ = 12210001048.

The previous prime is 12210001043. The next prime is 12210001057. The reversal of 12210001049 is 94010001221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7607328400 + 4602672649 = 87220^2 + 67843^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210001049 - 2⁸ = 12210000793 is a prime.

It is a super-2 number, since 2×12210001049² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12210001049.

It is not a weakly prime, because it can be changed into another prime (12210001043) 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 as a sum of consecutive naturals, namely, 6105000524 + 6105000525.

It is an arithmetic number, because the mean of its divisors is an integer number (6105000525).

Almost surely, 2^12210001049 is an apocalyptic number.

It is an amenable number.

12210001049 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210001049 is an equidigital number, since it uses as much as digits as its factorization.

12210001049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 12210001049 in words is "twelve billion, two hundred ten million, one thousand, forty-nine".