10120021010012 has 24 divisors (see below), whose sum is σ = 18209431301040. Its totient is φ = 4918243936640.

The previous prime is 10120021009963. The next prime is 10120021010081. The reversal of 10120021010012 is 21001012002101.

It is a junction number, because it is equal to n+sod(n) for n = 10120021009975 and 10120021010002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114653738 + ... + 114741969.

It is an arithmetic number, because the mean of its divisors is an integer number (758726304210).

Almost surely, 2^{10120021010012} is an apocalyptic number.

It is an amenable number.

10120021010012 is a deficient number, since it is larger than the sum of its proper divisors (8089410291028).

10120021010012 is a wasteful number, since it uses less digits than its factorization.

10120021010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229396021 (or 229396019 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10120021010012 its reverse (21001012002101), we get a palindrome (31121033012113).

The spelling of 10120021010012 in words is "ten trillion, one hundred twenty billion, twenty-one million, ten thousand, twelve".