100002201031212 has 96 divisors (see below), whose sum is σ = 239547502656000. Its totient is φ = 32450602329600.

The previous prime is 100002201031169. The next prime is 100002201031283. The reversal of 100002201031212 is 212130102200001.

It is a super-2 number, since 2×100002201031212² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100002201031191 and 100002201031200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2258434489 + ... + 2258478767.

It is an arithmetic number, because the mean of its divisors is an integer number (2495286486000).

Almost surely, 2^{100002201031212} is an apocalyptic number.

100002201031212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100002201031212 is an abundant number, since it is smaller than the sum of its proper divisors (139545301624788).

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

100002201031212 is a wasteful number, since it uses less digits than its factorization.

100002201031212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54167 (or 54165 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 100002201031212 its reverse (212130102200001), we get a palindrome (312132303231213).

The spelling of 100002201031212 in words is "one hundred trillion, two billion, two hundred one million, thirty-one thousand, two hundred twelve".