12001121210210 has 32 divisors (see below), whose sum is σ = 23566042756800. Its totient is φ = 4364006160960.

The previous prime is 12001121210161. The next prime is 12001121210233. The reversal of 12001121210210 is 1201212110021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14339576 + ... + 15153404.

It is an arithmetic number, because the mean of its divisors is an integer number (736438836150).

Almost surely, 2^{12001121210210} is an apocalyptic number.

12001121210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001121210210 is a deficient number, since it is larger than the sum of its proper divisors (11564921546590).

12001121210210 is a wasteful number, since it uses less digits than its factorization.

12001121210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947906.

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

Adding to 12001121210210 its reverse (1201212110021), we get a palindrome (13202333320231).

The spelling of 12001121210210 in words is "twelve trillion, one billion, one hundred twenty-one million, two hundred ten thousand, two hundred ten".