100200122220212 has 24 divisors (see below), whose sum is σ = 200404295784000. Its totient is φ = 42942041377920.

The previous prime is 100200122220137. The next prime is 100200122220229. The reversal of 100200122220212 is 212022221002001.

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 7 ways as a sum of consecutive naturals, for example, 34761989 + ... + 37533932.

It is an arithmetic number, because the mean of its divisors is an integer number (8350178991000).

Almost surely, 2^{100200122220212} is an apocalyptic number.

It is an amenable number.

100200122220212 is an abundant number, since it is smaller than the sum of its proper divisors (100204173563788).

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

100200122220212 is a wasteful number, since it uses less digits than its factorization.

100200122220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72345431 (or 72345429 counting only the distinct ones).

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

Adding to 100200122220212 its reverse (212022221002001), we get a palindrome (312222343222213).

The spelling of 100200122220212 in words is "one hundred trillion, two hundred billion, one hundred twenty-two million, two hundred twenty thousand, two hundred twelve".