10210121212 has 24 divisors (see below), whose sum is σ = 17978268672. Its totient is φ = 5073524400.

The previous prime is 10210121203. The next prime is 10210121213. The reversal of 10210121212 is 21212101201.

It is a junction number, because it is equal to n+sod(n) for n = 10210121192 and 10210121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210121213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882787 + ... + 894277.

It is an arithmetic number, because the mean of its divisors is an integer number (749094528).

Almost surely, 2^10210121212 is an apocalyptic number.

It is an amenable number.

10210121212 is a deficient number, since it is larger than the sum of its proper divisors (7768147460).

10210121212 is a wasteful number, since it uses less digits than its factorization.

10210121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12849 (or 12847 counting only the distinct ones).

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

Adding to 10210121212 its reverse (21212101201), we get a palindrome (31422222413).

The spelling of 10210121212 in words is "ten billion, two hundred ten million, one hundred twenty-one thousand, two hundred twelve".