10212012202122 has 24 divisors (see below), whose sum is σ = 22126093871076. Its totient is φ = 3403993693056.

The previous prime is 10212012202111. The next prime is 10212012202181. The reversal of 10212012202122 is 22120221021201.

It is a happy number.

10212012202122 is a `hidden beast` number, since 10 + 21 + 201 + 220 + 212 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10053091176921 + 158921025201 = 3170661^2 + 398649^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10212012202095 and 10212012202104.

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 11 ways as a sum of consecutive naturals, for example, 7278748 + ... + 8567624.

Almost surely, 2^{10212012202122} is an apocalyptic number.

10212012202122 is an abundant number, since it is smaller than the sum of its proper divisors (11914081668954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10212012202122 is a wasteful number, since it uses less digits than its factorization.

10212012202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729062 (or 1729059 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10212012202122 its reverse (22120221021201), we get a palindrome (32332233223323).

The spelling of 10212012202122 in words is "ten trillion, two hundred twelve billion, twelve million, two hundred two thousand, one hundred twenty-two".