1269196015396 has 81 divisors (see below), whose sum is σ = 2452398466161. Its totient is φ = 574612936128.

The previous prime is 1269196015393. The next prime is 1269196015411. The reversal of 1269196015396 is 6935106919621.

It is a happy number.

The square root of 1269196015396 is 1126586.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1029644501796 + 239551513600 = 1014714^2 + 489440^2 .

It is a super-2 number, since 2×1269196015396² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1269196015396.

It is not an unprimeable number, because it can be changed into a prime (1269196015393) 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 in 26 ways as a sum of consecutive naturals, for example, 984635520 + ... + 984636808.

Almost surely, 2^{1269196015396} is an apocalyptic number.

1269196015396 is the 1126586-th square number.

It is an amenable number.

1269196015396 is a deficient number, since it is larger than the sum of its proper divisors (1183202450765).

1269196015396 is an equidigital number, since it uses as much as digits as its factorization.

1269196015396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666 (or 1333 counting only the distinct ones).

The product of its (nonzero) digits is 4723920, while the sum is 58.

The spelling of 1269196015396 in words is "one trillion, two hundred sixty-nine billion, one hundred ninety-six million, fifteen thousand, three hundred ninety-six".