1224100512164 has 24 divisors (see below), whose sum is σ = 2172544488576. Its totient is φ = 603375080000.

The previous prime is 1224100512163. The next prime is 1224100512241. The reversal of 1224100512164 is 4612150014221.

It is a happy number.

It is a super-2 number, since 2×1224100512164² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1224100512163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3033824 + ... + 3413544.

It is an arithmetic number, because the mean of its divisors is an integer number (90522687024).

Almost surely, 2^{1224100512164} is an apocalyptic number.

It is an amenable number.

1224100512164 is a deficient number, since it is larger than the sum of its proper divisors (948443976412).

1224100512164 is a wasteful number, since it uses less digits than its factorization.

1224100512164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391147 (or 391145 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 1224100512164 its reverse (4612150014221), we get a palindrome (5836250526385).

The spelling of 1224100512164 in words is "one trillion, two hundred twenty-four billion, one hundred million, five hundred twelve thousand, one hundred sixty-four".