11202012312 has 64 divisors (see below), whose sum is σ = 28225013760. Its totient is φ = 3704736000.

The previous prime is 11202012307. The next prime is 11202012377. The reversal of 11202012312 is 21321020211.

It is a junction number, because it is equal to n+sod(n) for n = 11202012291 and 11202012300.

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, 4322137 + ... + 4324727.

It is an arithmetic number, because the mean of its divisors is an integer number (441015840).

Almost surely, 2^11202012312 is an apocalyptic number.

11202012312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11202012312 is an abundant number, since it is smaller than the sum of its proper divisors (17023001448).

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

11202012312 is a wasteful number, since it uses less digits than its factorization.

11202012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944 (or 3940 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11202012312 its reverse (21321020211), we get a palindrome (32523032523).

The spelling of 11202012312 in words is "eleven billion, two hundred two million, twelve thousand, three hundred twelve".