10212112012 has 12 divisors (see below), whose sum is σ = 17899080696. Its totient is φ = 5098088960.

The previous prime is 10212111991. The next prime is 10212112019. The reversal of 10212112012 is 21021121201.

It is a junction number, because it is equal to n+sod(n) for n = 10212111983 and 10212112001.

It is not an unprimeable number, because it can be changed into a prime (10212112019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1988878 + ... + 1994005.

It is an arithmetic number, because the mean of its divisors is an integer number (1491590058).

Almost surely, 2^10212112012 is an apocalyptic number.

It is an amenable number.

10212112012 is a deficient number, since it is larger than the sum of its proper divisors (7686968684).

10212112012 is a wasteful number, since it uses less digits than its factorization.

10212112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3983528 (or 3983526 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10212112012 its reverse (21021121201), we get a palindrome (31233233213).

The spelling of 10212112012 in words is "ten billion, two hundred twelve million, one hundred twelve thousand, twelve".