1220230233149 has 2 divisors, whose sum is σ = 1220230233150. Its totient is φ = 1220230233148.

The previous prime is 1220230233097. The next prime is 1220230233217. The reversal of 1220230233149 is 9413320320221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1199423613124 + 20806620025 = 1095182^2 + 144245^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220230233149 - 2¹⁶ = 1220230167613 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220230233049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610115116574 + 610115116575.

It is an arithmetic number, because the mean of its divisors is an integer number (610115116575).

Almost surely, 2^{1220230233149} is an apocalyptic number.

It is an amenable number.

1220230233149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220230233149 is an equidigital number, since it uses as much as digits as its factorization.

1220230233149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 1220230233149 in words is "one trillion, two hundred twenty billion, two hundred thirty million, two hundred thirty-three thousand, one hundred forty-nine".