10212111010012 has 12 divisors (see below), whose sum is σ = 18116005148416. Its totient is φ = 5036109539040.

The previous prime is 10212111010007. The next prime is 10212111010021. The reversal of 10212111010012 is 21001011121201.

It is a happy number.

It is a super-2 number, since 2×10212111010012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10212111009974 and 10212111010001.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 17486491164 + ... + 17486491747.

Almost surely, 2^{10212111010012} is an apocalyptic number.

It is an amenable number.

10212111010012 is a deficient number, since it is larger than the sum of its proper divisors (7903894138404).

10212111010012 is a wasteful number, since it uses less digits than its factorization.

10212111010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34972982988 (or 34972982986 counting only the distinct ones).

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

Adding to 10212111010012 its reverse (21001011121201), we get a palindrome (31213122131213).

The spelling of 10212111010012 in words is "ten trillion, two hundred twelve billion, one hundred eleven million, ten thousand, twelve".