10202201021212 has 48 divisors (see below), whose sum is σ = 19788222888000. Its totient is φ = 4577808131072.

The previous prime is 10202201021203. The next prime is 10202201021237. The reversal of 10202201021212 is 21212010220201.

It is a happy number.

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, 9793087 + ... + 10784662.

It is an arithmetic number, because the mean of its divisors is an integer number (412254643500).

Almost surely, 2^{10202201021212} is an apocalyptic number.

It is an amenable number.

10202201021212 is a deficient number, since it is larger than the sum of its proper divisors (9586021866788).

10202201021212 is a wasteful number, since it uses less digits than its factorization.

10202201021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20578110 (or 20578108 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10202201021212 its reverse (21212010220201), we get a palindrome (31414211241413).

The spelling of 10202201021212 in words is "ten trillion, two hundred two billion, two hundred one million, twenty-one thousand, two hundred twelve".