1212101100202 has 8 divisors (see below), whose sum is σ = 1818487180800. Its totient is φ = 605938706604.

The previous prime is 1212101100163. The next prime is 1212101100233. The reversal of 1212101100202 is 2020011012121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1212101100202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55908202 + ... + 55929877.

It is an arithmetic number, because the mean of its divisors is an integer number (227310897600).

Almost surely, 2^{1212101100202} is an apocalyptic number.

1212101100202 is a deficient number, since it is larger than the sum of its proper divisors (606386080598).

1212101100202 is a wasteful number, since it uses less digits than its factorization.

1212101100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111843500.

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

Adding to 1212101100202 its reverse (2020011012121), we get a palindrome (3232112112323).

The spelling of 1212101100202 in words is "one trillion, two hundred twelve billion, one hundred one million, one hundred thousand, two hundred two".