10121210210012 has 36 divisors (see below), whose sum is σ = 19479799101168. Its totient is φ = 4597925323200.

The previous prime is 10121210209991. The next prime is 10121210210057. The reversal of 10121210210012 is 21001201212101.

It is a super-2 number, since 2×10121210210012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5116064 + ... + 6812967.

It is an arithmetic number, because the mean of its divisors is an integer number (541105530588).

Almost surely, 2^{10121210210012} is an apocalyptic number.

It is an amenable number.

10121210210012 is a deficient number, since it is larger than the sum of its proper divisors (9358588891156).

10121210210012 is a wasteful number, since it uses less digits than its factorization.

10121210210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11930810 (or 11930797 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10121210210012 its reverse (21001201212101), we get a palindrome (31122411422113).

The spelling of 10121210210012 in words is "ten trillion, one hundred twenty-one billion, two hundred ten million, two hundred ten thousand, twelve".