100202201212 has 24 divisors (see below), whose sum is σ = 182991312000. Its totient is φ = 47919287856.

The previous prime is 100202201179. The next prime is 100202201219. The reversal of 100202201212 is 212102202001.

It is a happy number.

It is a super-2 number, since 2×100202201212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100202201192 and 100202201201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100202201219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582539 + ... + 1644637.

It is an arithmetic number, because the mean of its divisors is an integer number (7624638000).

Almost surely, 2^100202201212 is an apocalyptic number.

It is an amenable number.

100202201212 is a deficient number, since it is larger than the sum of its proper divisors (82789110788).

100202201212 is a wasteful number, since it uses less digits than its factorization.

100202201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79665 (or 79663 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100202201212 its reverse (212102202001), we get a palindrome (312304403213).

The spelling of 100202201212 in words is "one hundred billion, two hundred two million, two hundred one thousand, two hundred twelve".