10021112012 has 48 divisors (see below), whose sum is σ = 18792480000. Its totient is φ = 4661769024.

The previous prime is 10021111981. The next prime is 10021112027. The reversal of 10021112012 is 21021112001.

It is a junction number, because it is equal to n+sod(n) for n = 10021111984 and 10021112002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1774289 + ... + 1779927.

It is an arithmetic number, because the mean of its divisors is an integer number (391510000).

Almost surely, 2^10021112012 is an apocalyptic number.

It is an amenable number.

10021112012 is a deficient number, since it is larger than the sum of its proper divisors (8771367988).

10021112012 is a wasteful number, since it uses less digits than its factorization.

10021112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6078 (or 6076 counting only the distinct ones).

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

Subtracting from 10021112012 its sum of digits (11), we obtain a palindrome (10021112001).

Adding to 10021112012 its reverse (21021112001), we get a palindrome (31042224013).

The spelling of 10021112012 in words is "ten billion, twenty-one million, one hundred twelve thousand, twelve".