12021011013230 has 128 divisors (see below), whose sum is σ = 23392096358400. Its totient is φ = 4434234015744.

The previous prime is 12021011013197. The next prime is 12021011013233. The reversal of 12021011013230 is 3231011012021.

It is a junction number, because it is equal to n+sod(n) for n = 12021011013199 and 12021011013208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021011013233) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 382904414 + ... + 382935806.

It is an arithmetic number, because the mean of its divisors is an integer number (182750752800).

Almost surely, 2^{12021011013230} is an apocalyptic number.

12021011013230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021011013230 is a deficient number, since it is larger than the sum of its proper divisors (11371085345170).

12021011013230 is a wasteful number, since it uses less digits than its factorization.

12021011013230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31858.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12021011013230 its reverse (3231011012021), we get a palindrome (15252022025251).

The spelling of 12021011013230 in words is "twelve trillion, twenty-one billion, eleven million, thirteen thousand, two hundred thirty".