12020021121122 has 16 divisors (see below), whose sum is σ = 21162662669760. Its totient is φ = 5012209579248.

The previous prime is 12020021121109. The next prime is 12020021121193. The reversal of 12020021121122 is 22112112002021.

It is a self number, because there is not a number n which added to its sum of digits gives 12020021121122.

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, 11602336472 + ... + 11602337507.

It is an arithmetic number, because the mean of its divisors is an integer number (1322666416860).

Almost surely, 2^{12020021121122} is an apocalyptic number.

12020021121122 is a deficient number, since it is larger than the sum of its proper divisors (9142641548638).

12020021121122 is a wasteful number, since it uses less digits than its factorization.

12020021121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23204674025.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12020021121122 its reverse (22112112002021), we get a palindrome (34132133123143).

The spelling of 12020021121122 in words is "twelve trillion, twenty billion, twenty-one million, one hundred twenty-one thousand, one hundred twenty-two".