10020001212212 has 6 divisors (see below), whose sum is σ = 17535002121378. Its totient is φ = 5010000606104.

The previous prime is 10020001212163. The next prime is 10020001212217. The reversal of 10020001212212 is 21221210002001.

It can be written as a sum of positive squares in only one way, i.e., 7822123801636 + 2197877410576 = 2796806^2 + 1482524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020001212217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252500151523 + ... + 1252500151530.

It is an arithmetic number, because the mean of its divisors is an integer number (2922500353563).

Almost surely, 2^{10020001212212} is an apocalyptic number.

It is an amenable number.

10020001212212 is a deficient number, since it is larger than the sum of its proper divisors (7515000909166).

10020001212212 is a wasteful number, since it uses less digits than its factorization.

10020001212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505000303057 (or 2505000303055 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10020001212212 its reverse (21221210002001), we get a palindrome (31241211214213).

The spelling of 10020001212212 in words is "ten trillion, twenty billion, one million, two hundred twelve thousand, two hundred twelve".