10121210012 has 12 divisors (see below), whose sum is σ = 17976477960. Its totient is φ = 4985073456.

The previous prime is 10121210003. The next prime is 10121210039. The reversal of 10121210012 is 21001212101.

It is a junction number, because it is equal to n+sod(n) for n = 10121209975 and 10121210002.

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, 18882587 + ... + 18883122.

It is an arithmetic number, because the mean of its divisors is an integer number (1498039830).

Almost surely, 2^10121210012 is an apocalyptic number.

It is an amenable number.

10121210012 is a deficient number, since it is larger than the sum of its proper divisors (7855267948).

10121210012 is a wasteful number, since it uses less digits than its factorization.

10121210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37765780 (or 37765778 counting only the distinct ones).

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

Adding to 10121210012 its reverse (21001212101), we get a palindrome (31122422113).

The spelling of 10121210012 in words is "ten billion, one hundred twenty-one million, two hundred ten thousand, twelve".