1215224014052 has 12 divisors (see below), whose sum is σ = 2128204592556. Its totient is φ = 607165559040.

The previous prime is 1215224014051. The next prime is 1215224014111. The reversal of 1215224014052 is 2504104225121.

It can be written as a sum of positive squares in 2 ways, for example, as 782899353856 + 432324660196 = 884816^2 + 657514^2 .

It is a super-3 number, since 3×1215224014052³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1215224014051) 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, 111605873 + ... + 111616760.

It is an arithmetic number, because the mean of its divisors is an integer number (177350382713).

Almost surely, 2^{1215224014052} is an apocalyptic number.

It is an amenable number.

1215224014052 is a deficient number, since it is larger than the sum of its proper divisors (912980578504).

1215224014052 is a wasteful number, since it uses less digits than its factorization.

1215224014052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223223998 (or 223223996 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 1215224014052 its reverse (2504104225121), we get a palindrome (3719328239173).

The spelling of 1215224014052 in words is "one trillion, two hundred fifteen billion, two hundred twenty-four million, fourteen thousand, fifty-two".