10000221021212 has 24 divisors (see below), whose sum is σ = 18104893161600. Its totient is φ = 4827414303936.

The previous prime is 10000221021179. The next prime is 10000221021221. The reversal of 10000221021212 is 21212012200001.

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, 461708 + ... + 4495955.

It is an arithmetic number, because the mean of its divisors is an integer number (754370548400).

Almost surely, 2^{10000221021212} is an apocalyptic number.

It is an amenable number.

10000221021212 is a deficient number, since it is larger than the sum of its proper divisors (8104672140388).

10000221021212 is a wasteful number, since it uses less digits than its factorization.

10000221021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4975085 (or 4975083 counting only the distinct ones).

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

Adding to 10000221021212 its reverse (21212012200001), we get a palindrome (31212233221213).

The spelling of 10000221021212 in words is "ten trillion, two hundred twenty-one million, twenty-one thousand, two hundred twelve".