1216014253250 has 16 divisors (see below), whose sum is σ = 2276378682552. Its totient is φ = 486405701200.

The previous prime is 1216014253231. The next prime is 1216014253253. The reversal of 1216014253250 is 523524106121.

It can be written as a sum of positive squares in 4 ways, for example, as 64086441409 + 1151927811841 = 253153^2 + 1073279^2 .

It is not an unprimeable number, because it can be changed into a prime (1216014253253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2432028257 + ... + 2432028756.

Almost surely, 2^{1216014253250} is an apocalyptic number.

1216014253250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1216014253250 is a deficient number, since it is larger than the sum of its proper divisors (1060364429302).

1216014253250 is an equidigital number, since it uses as much as digits as its factorization.

1216014253250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4864057030 (or 4864057020 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 1216014253250 its reverse (523524106121), we get a palindrome (1739538359371).

The spelling of 1216014253250 in words is "one trillion, two hundred sixteen billion, fourteen million, two hundred fifty-three thousand, two hundred fifty".