1015212214312 has 8 divisors (see below), whose sum is σ = 1903522901850. Its totient is φ = 507606107152.

The previous prime is 1015212214283. The next prime is 1015212214319. The reversal of 1015212214312 is 2134122125101.

It can be written as a sum of positive squares in only one way, i.e., 841428282436 + 173783931876 = 917294^2 + 416874^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1015212214319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63450763387 + ... + 63450763402.

Almost surely, 2^{1015212214312} is an apocalyptic number.

It is an amenable number.

1015212214312 is a deficient number, since it is larger than the sum of its proper divisors (888310687538).

1015212214312 is a wasteful number, since it uses less digits than its factorization.

1015212214312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126901526795 (or 126901526791 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 1015212214312 its reverse (2134122125101), we get a palindrome (3149334339413).

The spelling of 1015212214312 in words is "one trillion, fifteen billion, two hundred twelve million, two hundred fourteen thousand, three hundred twelve".