10202121002212 has 12 divisors (see below), whose sum is σ = 18903930092460. Its totient is φ = 4800998118656.

The previous prime is 10202121002209. The next prime is 10202121002261. The reversal of 10202121002212 is 21220012120201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8330242798656 + 1871878203556 = 2886216^2 + 1368166^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75015595537 + ... + 75015595672.

It is an arithmetic number, because the mean of its divisors is an integer number (1575327507705).

Almost surely, 2^{10202121002212} is an apocalyptic number.

It is an amenable number.

10202121002212 is a deficient number, since it is larger than the sum of its proper divisors (8701809090248).

10202121002212 is a wasteful number, since it uses less digits than its factorization.

10202121002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150031191230 (or 150031191228 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10202121002212 its reverse (21220012120201), we get a palindrome (31422133122413).

The spelling of 10202121002212 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, two thousand, two hundred twelve".