12011221300012 has 96 divisors (see below), whose sum is σ = 24775928110080. Its totient is φ = 5037435406080.

The previous prime is 12011221299997. The next prime is 12011221300027. The reversal of 12011221300012 is 21000312211021.

It is an interprime number because it is at equal distance from previous prime (12011221299997) and next prime (12011221300027).

It is a super-2 number, since 2×12011221300012² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31004418 + ... + 31389430.

It is an arithmetic number, because the mean of its divisors is an integer number (258082584480).

Almost surely, 2^{12011221300012} is an apocalyptic number.

It is an amenable number.

12011221300012 is an abundant number, since it is smaller than the sum of its proper divisors (12764706810068).

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

12011221300012 is a wasteful number, since it uses less digits than its factorization.

12011221300012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386143 (or 386141 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12011221300012 its reverse (21000312211021), we get a palindrome (33011533511033).

The spelling of 12011221300012 in words is "twelve trillion, eleven billion, two hundred twenty-one million, three hundred thousand, twelve".