10202122221212 has 6 divisors (see below), whose sum is σ = 17853713887128. Its totient is φ = 5101061110604.

The previous prime is 10202122221199. The next prime is 10202122221227. The reversal of 10202122221212 is 21212222120201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275265277648 + ... + 1275265277655.

It is an arithmetic number, because the mean of its divisors is an integer number (2975618981188).

Almost surely, 2^{10202122221212} is an apocalyptic number.

It is an amenable number.

10202122221212 is a deficient number, since it is larger than the sum of its proper divisors (7651591665916).

10202122221212 is a wasteful number, since it uses less digits than its factorization.

10202122221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550530555307 (or 2550530555305 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10202122221212 its reverse (21212222120201), we get a palindrome (31414344341413).

The spelling of 10202122221212 in words is "ten trillion, two hundred two billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred twelve".