12021111111330 has 48 divisors (see below), whose sum is σ = 31337355703680. Its totient is φ = 3197171494944.

The previous prime is 12021111111307. The next prime is 12021111111349. The reversal of 12021111111330 is 3311111112021.

12021111111330 is a `hidden beast` number, since 1 + 2 + 0 + 211 + 11 + 111 + 330 = 666.

It is a super-2 number, since 2×12021111111330² (a number of 27 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 176176842 + ... + 176245061.

It is an arithmetic number, because the mean of its divisors is an integer number (652861577160).

Almost surely, 2^{12021111111330} is an apocalyptic number.

12021111111330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021111111330 is an abundant number, since it is smaller than the sum of its proper divisors (19316244592350).

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

12021111111330 is a wasteful number, since it uses less digits than its factorization.

12021111111330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352422295 (or 352422292 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 12021111111330 its reverse (3311111112021), we get a palindrome (15332222223351).

It can be divided in two parts, 1202111 and 1111330, that added together give a 4-th power (2313441 = 39⁴).

The spelling of 12021111111330 in words is "twelve trillion, twenty-one billion, one hundred eleven million, one hundred eleven thousand, three hundred thirty".