11501210412 has 36 divisors (see below), whose sum is σ = 30149266056. Its totient is φ = 3833736480.

The previous prime is 11501210389. The next prime is 11501210449. The reversal of 11501210412 is 21401210511.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5915289 + ... + 5917232.

Almost surely, 2^11501210412 is an apocalyptic number.

11501210412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11501210412 is an abundant number, since it is smaller than the sum of its proper divisors (18648055644).

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

11501210412 is a wasteful number, since it uses less digits than its factorization.

11501210412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11832540 (or 11832526 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 11501210412 its reverse (21401210511), we get a palindrome (32902420923).

Subtracting 11501210412 from its reverse (21401210511), we obtain a palindrome (9900000099).

The spelling of 11501210412 in words is "eleven billion, five hundred one million, two hundred ten thousand, four hundred twelve".