10210121220212 has 6 divisors (see below), whose sum is σ = 17867712135378. Its totient is φ = 5105060610104.

The previous prime is 10210121220203. The next prime is 10210121220239. The reversal of 10210121220212 is 21202212101201.

It can be written as a sum of positive squares in only one way, i.e., 8183467176976 + 2026654043236 = 2860676^2 + 1423606^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276265152523 + ... + 1276265152530.

It is an arithmetic number, because the mean of its divisors is an integer number (2977952022563).

Almost surely, 2^{10210121220212} is an apocalyptic number.

It is an amenable number.

10210121220212 is a deficient number, since it is larger than the sum of its proper divisors (7657590915166).

10210121220212 is a wasteful number, since it uses less digits than its factorization.

10210121220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552530305057 (or 2552530305055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10210121220212 its reverse (21202212101201), we get a palindrome (31412333321413).

The spelling of 10210121220212 in words is "ten trillion, two hundred ten billion, one hundred twenty-one million, two hundred twenty thousand, two hundred twelve".