10212123021212 has 24 divisors (see below), whose sum is σ = 20770419707520. Its totient is φ = 4302444080880.

The previous prime is 10212123021203. The next prime is 10212123021229. The reversal of 10212123021212 is 21212032121201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3090834614 + ... + 3090837917.

It is an arithmetic number, because the mean of its divisors is an integer number (865434154480).

Almost surely, 2^{10212123021212} is an apocalyptic number.

It is an amenable number.

10212123021212 is an abundant number, since it is smaller than the sum of its proper divisors (10558296686308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10212123021212 is a wasteful number, since it uses less digits than its factorization.

10212123021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6181672601 (or 6181672599 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 10212123021212 its reverse (21212032121201), we get a palindrome (31424155142413).

The spelling of 10212123021212 in words is "ten trillion, two hundred twelve billion, one hundred twenty-three million, twenty-one thousand, two hundred twelve".