1224464011601 has 4 divisors (see below), whose sum is σ = 1224504200304. Its totient is φ = 1224423822900.

The previous prime is 1224464011597. The next prime is 1224464011609. The reversal of 1224464011601 is 1061104644221.

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 1224464011601 - 2² = 1224464011597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224464011609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20048615 + ... + 20109596.

It is an arithmetic number, because the mean of its divisors is an integer number (306126050076).

Almost surely, 2^{1224464011601} is an apocalyptic number.

It is an amenable number.

1224464011601 is a deficient number, since it is larger than the sum of its proper divisors (40188703).

1224464011601 is an equidigital number, since it uses as much as digits as its factorization.

1224464011601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40188702.

The product of its (nonzero) digits is 9216, while the sum is 32.

Adding to 1224464011601 its reverse (1061104644221), we get a palindrome (2285568655822).

The spelling of 1224464011601 in words is "one trillion, two hundred twenty-four billion, four hundred sixty-four million, eleven thousand, six hundred one".