12021001220010 has 64 divisors (see below), whose sum is σ = 29599033944960. Its totient is φ = 3123380736000.

The previous prime is 12021001220009. The next prime is 12021001220023. The reversal of 12021001220010 is 1002210012021.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29850991 + ... + 30251010.

It is an arithmetic number, because the mean of its divisors is an integer number (462484905390).

Almost surely, 2^{12021001220010} is an apocalyptic number.

12021001220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021001220010 is an abundant number, since it is smaller than the sum of its proper divisors (17578032724950).

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

12021001220010 is a wasteful number, since it uses less digits than its factorization.

12021001220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60102183.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12021001220010 its reverse (1002210012021), we get a palindrome (13023211232031).

The spelling of 12021001220010 in words is "twelve trillion, twenty-one billion, one million, two hundred twenty thousand, ten".