10120021022012 has 72 divisors (see below), whose sum is σ = 21168554509872. Its totient is φ = 4212409259520.

The previous prime is 10120021021991. The next prime is 10120021022017. The reversal of 10120021022012 is 21022012002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120021022017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16316498 + ... + 16925369.

It is an arithmetic number, because the mean of its divisors is an integer number (294007701526).

Almost surely, 2^{10120021022012} is an apocalyptic number.

It is an amenable number.

10120021022012 is an abundant number, since it is smaller than the sum of its proper divisors (11048533487860).

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

10120021022012 is a wasteful number, since it uses less digits than its factorization.

10120021022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33241947 (or 33241934 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10120021022012 its reverse (21022012002101), we get a palindrome (31142033024113).

The spelling of 10120021022012 in words is "ten trillion, one hundred twenty billion, twenty-one million, twenty-two thousand, twelve".