12011320022010 has 64 divisors (see below), whose sum is σ = 28844393804928. Its totient is φ = 3201105187584.

The previous prime is 12011320021997. The next prime is 12011320022011. The reversal of 12011320022010 is 1022002311021.

It is a super-2 number, since 2×12011320022010² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (12011320022011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 633064884 + ... + 633083856.

It is an arithmetic number, because the mean of its divisors is an integer number (450693653202).

Almost surely, 2^{12011320022010} is an apocalyptic number.

12011320022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011320022010 is an abundant number, since it is smaller than the sum of its proper divisors (16833073782918).

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

12011320022010 is a wasteful number, since it uses less digits than its factorization.

12011320022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30479.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12011320022010 its reverse (1022002311021), we get a palindrome (13033322333031).

The spelling of 12011320022010 in words is "twelve trillion, eleven billion, three hundred twenty million, twenty-two thousand, ten".