12011222101010 has 128 divisors (see below), whose sum is σ = 26694436059648. Its totient is φ = 3836157952000.

The previous prime is 12011222101009. The next prime is 12011222101037. The reversal of 12011222101010 is 1010122211021.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1642271 + ... + 5169090.

It is an arithmetic number, because the mean of its divisors is an integer number (208550281716).

Almost surely, 2^{12011222101010} is an apocalyptic number.

12011222101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011222101010 is an abundant number, since it is smaller than the sum of its proper divisors (14683213958638).

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

12011222101010 is a wasteful number, since it uses less digits than its factorization.

12011222101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811460.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12011222101010 its reverse (1010122211021), we get a palindrome (13021344312031).

The spelling of 12011222101010 in words is "twelve trillion, eleven billion, two hundred twenty-two million, one hundred one thousand, ten".