10210121202212 has 18 divisors (see below), whose sum is σ = 18980579987922. Its totient is φ = 4804762918144.

The previous prime is 10210121202157. The next prime is 10210121202217. The reversal of 10210121202212 is 21220212101201.

It can be written as a sum of positive squares in 3 ways, for example, as 4026066328036 + 6184054874176 = 2006506^2 + 2486776^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (10210121202217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4416141233 + ... + 4416143544.

Almost surely, 2^{10210121202212} is an apocalyptic number.

It is an amenable number.

10210121202212 is a deficient number, since it is larger than the sum of its proper divisors (8770458785710).

10210121202212 is a wasteful number, since it uses less digits than its factorization.

10210121202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8832284815 (or 8832284796 counting only the distinct ones).

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

Adding to 10210121202212 its reverse (21220212101201), we get a palindrome (31430333303413).

The spelling of 10210121202212 in words is "ten trillion, two hundred ten billion, one hundred twenty-one million, two hundred two thousand, two hundred twelve".