10201220220212 has 48 divisors (see below), whose sum is σ = 20479481043840. Its totient is φ = 4355444725632.

The previous prime is 10201220220127. The next prime is 10201220220221. The reversal of 10201220220212 is 21202202210201.

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, 189154283 + ... + 189208205.

It is an arithmetic number, because the mean of its divisors is an integer number (426655855080).

Almost surely, 2^{10201220220212} is an apocalyptic number.

It is an amenable number.

10201220220212 is an abundant number, since it is smaller than the sum of its proper divisors (10278260823628).

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

10201220220212 is a wasteful number, since it uses less digits than its factorization.

10201220220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79320 (or 79318 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10201220220212 its reverse (21202202210201), we get a palindrome (31403422430413).

The spelling of 10201220220212 in words is "ten trillion, two hundred one billion, two hundred twenty million, two hundred twenty thousand, two hundred twelve".