12001001210122 has 16 divisors (see below), whose sum is σ = 18969568430400. Its totient is φ = 5678499038400.

The previous prime is 12001001210063. The next prime is 12001001210129. The reversal of 12001001210122 is 22101210010021.

It is not an unprimeable number, because it can be changed into a prime (12001001210129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171790879 + ... + 171860722.

It is an arithmetic number, because the mean of its divisors is an integer number (1185598026900).

Almost surely, 2^{12001001210122} is an apocalyptic number.

12001001210122 is a deficient number, since it is larger than the sum of its proper divisors (6968567220278).

12001001210122 is a wasteful number, since it uses less digits than its factorization.

12001001210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343652541.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12001001210122 its reverse (22101210010021), we get a palindrome (34102211220143).

The spelling of 12001001210122 in words is "twelve trillion, one billion, one million, two hundred ten thousand, one hundred twenty-two".