12021230011012 has 6 divisors (see below), whose sum is σ = 21037152519278. Its totient is φ = 6010615005504.

The previous prime is 12021230011009. The next prime is 12021230011013. The reversal of 12021230011012 is 21011003212021.

It can be written as a sum of positive squares in only one way, i.e., 10143052953856 + 1878177057156 = 3184816^2 + 1370466^2 .

It is not an unprimeable number, because it can be changed into a prime (12021230011013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1502653751373 + ... + 1502653751380.

Almost surely, 2^{12021230011012} is an apocalyptic number.

It is an amenable number.

12021230011012 is a deficient number, since it is larger than the sum of its proper divisors (9015922508266).

12021230011012 is a wasteful number, since it uses less digits than its factorization.

12021230011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005307502757 (or 3005307502755 counting only the distinct ones).

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

Adding to 12021230011012 its reverse (21011003212021), we get a palindrome (33032233223033).

The spelling of 12021230011012 in words is "twelve trillion, twenty-one billion, two hundred thirty million, eleven thousand, twelve".