10212002012 has 12 divisors (see below), whose sum is σ = 17872121736. Its totient is φ = 5105681520.

The previous prime is 10212001993. The next prime is 10212002023. The reversal of 10212002012 is 21020021201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10212001984 and 10212002002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187 + ... + 142917.

It is an arithmetic number, because the mean of its divisors is an integer number (1489343478).

Almost surely, 2^10212002012 is an apocalyptic number.

It is an amenable number.

10212002012 is a deficient number, since it is larger than the sum of its proper divisors (7660119724).

10212002012 is a wasteful number, since it uses less digits than its factorization.

10212002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159748 (or 159746 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10212002012 its reverse (21020021201), we get a palindrome (31232023213).

The spelling of 10212002012 in words is "ten billion, two hundred twelve million, two thousand, twelve".