10212100122012 has 24 divisors (see below), whose sum is σ = 24409410048912. Its totient is φ = 3321008169600.

The previous prime is 10212100122001. The next prime is 10212100122017. The reversal of 10212100122012 is 21022100121201.

It is a junction number, because it is equal to n+sod(n) for n = 10212100121982 and 10212100122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212100122017) 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, 10378150039 + ... + 10378151022.

It is an arithmetic number, because the mean of its divisors is an integer number (1017058752038).

Almost surely, 2^{10212100122012} is an apocalyptic number.

10212100122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10212100122012 is an abundant number, since it is smaller than the sum of its proper divisors (14197309926900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10212100122012 is a wasteful number, since it uses less digits than its factorization.

10212100122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20756301109 (or 20756301107 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10212100122012 its reverse (21022100121201), we get a palindrome (31234200243213).

The spelling of 10212100122012 in words is "ten trillion, two hundred twelve billion, one hundred million, one hundred twenty-two thousand, twelve".