10012021001212 has 48 divisors (see below), whose sum is σ = 19529389988640. Its totient is φ = 4463266516992.

The previous prime is 10012021001209. The next prime is 10012021001221. The reversal of 10012021001212 is 21210012021001.

It is a junction number, because it is equal to n+sod(n) for n = 10012021001192 and 10012021001201.

It is a congruent number.

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, 19766868 + ... + 20267044.

It is an arithmetic number, because the mean of its divisors is an integer number (406862291430).

Almost surely, 2^{10012021001212} is an apocalyptic number.

It is an amenable number.

10012021001212 is a deficient number, since it is larger than the sum of its proper divisors (9517368987428).

10012021001212 is a wasteful number, since it uses less digits than its factorization.

10012021001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515710 (or 515708 counting only the distinct ones).

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

Adding to 10012021001212 its reverse (21210012021001), we get a palindrome (31222033022213).

It can be divided in two parts, 10012021001 and 212, that multiplied together give a palindrome (2122548452212).

The spelling of 10012021001212 in words is "ten trillion, twelve billion, twenty-one million, one thousand, two hundred twelve".