10101211120012 has 24 divisors (see below), whose sum is σ = 18286852021200. Its totient is φ = 4876399622976.

The previous prime is 10101211119997. The next prime is 10101211120057. The reversal of 10101211120012 is 21002111210101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10101211119974 and 10101211120001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13655823 + ... + 14376505.

It is an arithmetic number, because the mean of its divisors is an integer number (761952167550).

Almost surely, 2^{10101211120012} is an apocalyptic number.

It is an amenable number.

10101211120012 is a deficient number, since it is larger than the sum of its proper divisors (8185640901188).

10101211120012 is a wasteful number, since it uses less digits than its factorization.

10101211120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841545 (or 841543 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10101211120012 its reverse (21002111210101), we get a palindrome (31103322330113).

The spelling of 10101211120012 in words is "ten trillion, one hundred one billion, two hundred eleven million, one hundred twenty thousand, twelve".