11221201000012 has 24 divisors (see below), whose sum is σ = 19651787830080. Its totient is φ = 5606405051520.

The previous prime is 11221201000001. The next prime is 11221201000039. The reversal of 11221201000012 is 21000010212211.

It is a junction number, because it is equal to n+sod(n) for n = 11221200999956 and 11221201000001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88091664 + ... + 88218952.

It is an arithmetic number, because the mean of its divisors is an integer number (818824492920).

Almost surely, 2^{11221201000012} is an apocalyptic number.

It is an amenable number.

11221201000012 is a deficient number, since it is larger than the sum of its proper divisors (8430586830068).

11221201000012 is a wasteful number, since it uses less digits than its factorization.

11221201000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143601 (or 143599 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11221201000012 its reverse (21000010212211), we get a palindrome (32221211212223).

The spelling of 11221201000012 in words is "eleven trillion, two hundred twenty-one billion, two hundred one million, twelve", and thus it is an aban number.