11996269912 has 64 divisors (see below), whose sum is σ = 26074599840. Its totient is φ = 5113651200.

The previous prime is 11996269877. The next prime is 11996269939. The reversal of 11996269912 is 21996269911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406108 + ... + 434644.

Almost surely, 2^11996269912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11996269912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13037299920).

11996269912 is an abundant number, since it is smaller than the sum of its proper divisors (14078329928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11996269912 is a wasteful number, since it uses less digits than its factorization.

11996269912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28852 (or 28848 counting only the distinct ones).

The product of its digits is 944784, while the sum is 55.

Subtracting 11996269912 from its reverse (21996269911), we obtain a palindrome (9999999999).

It can be divided in two parts, 1199 and 6269912, that added together give a triangular number (6271111 = T₃₅₄₁).

The spelling of 11996269912 in words is "eleven billion, nine hundred ninety-six million, two hundred sixty-nine thousand, nine hundred twelve".