1234450220201 has 4 divisors (see below), whose sum is σ = 1346672967504. Its totient is φ = 1122227472900.

The previous prime is 1234450220191. The next prime is 1234450220207. The reversal of 1234450220201 is 1020220544321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1234450220201 - 2⁶ = 1234450220137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234450220207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56111373635 + ... + 56111373656.

It is an arithmetic number, because the mean of its divisors is an integer number (336668241876).

Almost surely, 2^{1234450220201} is an apocalyptic number.

1234450220201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1234450220201 is a deficient number, since it is larger than the sum of its proper divisors (112222747303).

1234450220201 is a wasteful number, since it uses less digits than its factorization.

1234450220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112222747302.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 1234450220201 its reverse (1020220544321), we get a palindrome (2254670764522).

The spelling of 1234450220201 in words is "one trillion, two hundred thirty-four billion, four hundred fifty million, two hundred twenty thousand, two hundred one".