10121321212012 has 6 divisors (see below), whose sum is σ = 17712312121028. Its totient is φ = 5060660606004.

The previous prime is 10121321211971. The next prime is 10121321212021. The reversal of 10121321212012 is 21021212312101.

It is a super-2 number, since 2×10121321212012² (a number of 27 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 1265165151498 + ... + 1265165151505.

Almost surely, 2^{10121321212012} is an apocalyptic number.

It is an amenable number.

10121321212012 is a deficient number, since it is larger than the sum of its proper divisors (7590990909016).

10121321212012 is a wasteful number, since it uses less digits than its factorization.

10121321212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530330303007 (or 2530330303005 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 10121321212012 its reverse (21021212312101), we get a palindrome (31142533524113).

The spelling of 10121321212012 in words is "ten trillion, one hundred twenty-one billion, three hundred twenty-one million, two hundred twelve thousand, twelve".