220001212049 has 2 divisors, whose sum is σ = 220001212050. Its totient is φ = 220001212048.

The previous prime is 220001212043. The next prime is 220001212117. The reversal of 220001212049 is 940212100022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111195571600 + 108805640449 = 333460^2 + 329857^2 .

It is a cyclic number.

It is not a de Polignac number, because 220001212049 - 2⁴ = 220001212033 is a prime.

It is not a weakly prime, because it can be changed into another prime (220001212043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110000606024 + 110000606025.

It is an arithmetic number, because the mean of its divisors is an integer number (110000606025).

Almost surely, 2^220001212049 is an apocalyptic number.

It is an amenable number.

220001212049 is a deficient number, since it is larger than the sum of its proper divisors (1).

220001212049 is an equidigital number, since it uses as much as digits as its factorization.

220001212049 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 23.

The spelling of 220001212049 in words is "two hundred twenty billion, one million, two hundred twelve thousand, forty-nine".